IWYU Kernel header tidyup

Framework/Kernel/inc/MantidKernel/ArrayBoundedValidator.h

 #ifndef MANTID_KERNEL_ARRAYBOUNDEDVALIDATOR_H_
 #define MANTID_KERNEL_ARRAYBOUNDEDVALIDATOR_H_
 
+#include "MantidKernel/DllConfig.h"
+#include "MantidKernel/IValidator.h"
 #include "MantidKernel/TypedValidator.h"
 #include "MantidKernel/BoundedValidator.h"
+#include <string>
 #include <vector>
 
 namespace Mantid {

Framework/Kernel/inc/MantidKernel/ArrayLengthValidator.h

 #ifndef MANTID_KERNEL_ARRAYLENGTHVALIDATOR_H_
 #define MANTID_KERNEL_ARRAYLENGTHVALIDATOR_H_
 
+#include "MantidKernel/DllConfig.h"   
 #include "MantidKernel/TypedValidator.h"
+#include "MantidKernel/IValidator.h"  
+
+#include <string>
 #include <vector>
 
 namespace Mantid {

Framework/Kernel/inc/MantidKernel/ArrayOrderedPairsValidator.h

 #ifndef MANTID_KERNEL_ARRAYORDEREDPAIRSVALIDATOR_H_
 #define MANTID_KERNEL_ARRAYORDEREDPAIRSVALIDATOR_H_
 
-#include "MantidKernel/BoundedValidator.h"
-#include "MantidKernel/TypedValidator.h"
-#include <vector>
+#include "MantidKernel/DllConfig.h"      
+#include "MantidKernel/IValidator.h"     
+#include "MantidKernel/TypedValidator.h" 
+#include <string>                        
+#include <vector>                        
 
 namespace Mantid {
 namespace Kernel {

Framework/Kernel/inc/MantidKernel/ArrayProperty.h

@@ -2,6 +2,11 @@
 #define MANTID_KERNEL_ARRAYPROPERTY_H_
 
 #include "PropertyWithValue.h"
+#include "MantidKernel/IValidator.h"                
+#include "MantidKernel/NullValidator.h"             
+#include "MantidKernel/Property.h"                  
+#include <string>                                   
+#include <vector>                                   
 
 namespace Mantid {
 namespace Kernel {

Framework/Kernel/inc/MantidKernel/BinFinder.h

@@ -5,11 +5,6 @@
 // Includes
 //----------------------------------------------------------------------
 #include "MantidKernel/DllConfig.h"
-#include <cmath>
-#include <cmath>
-#include <cstdio>
-#include <functional>
-#include <numeric>
 #include <vector>
 
 namespace Mantid {

Framework/Kernel/inc/MantidKernel/BinaryStreamReader.h

@@ -6,7 +6,6 @@
 #include "MantidKernel/DllConfig.h"
 
 #include <cstdint>
-#include <cfloat>
 #include <iosfwd>
 #include <string>
 #include <vector>

Framework/Kernel/inc/MantidKernel/CPUTimer.h

@@ -4,6 +4,8 @@
 #include "MantidKernel/DllConfig.h"
 #include "MantidKernel/Timer.h"
 #include <ctime>
+#include <iosfwd> 
+#include <string> 
 
 namespace Mantid {
 namespace Kernel {

Framework/Kernel/inc/MantidKernel/CompositeValidator.h

@@ -2,9 +2,13 @@
 #define MANTID_KERNEL_COMPOSITEVALIDATOR_H_
 
 #include "MantidKernel/IValidator.h"
+#include "MantidKernel/System.h" 
+
 #include <boost/make_shared.hpp>
+
 #include <list>
-#include <set>
+#include <string>                
+#include <vector>                
 
 namespace Mantid {
 namespace Kernel {

Framework/Kernel/inc/MantidKernel/ComputeResourceInfo.h

 #ifndef MANTID_KERNEL_COMPUTERESOURCEINFO_H_
 #define MANTID_KERNEL_COMPUTERESOURCEINFO_H_
 
-#include <string>
-
 #include "MantidKernel/DllConfig.h"
 
+#include <iosfwd> 
+#include <string>
+
 namespace Poco {
 namespace XML {
 class Element;

Framework/Kernel/inc/MantidKernel/ConfigService.h

@@ -7,20 +7,22 @@
 #include "MantidKernel/DllConfig.h"
 #include "MantidKernel/SingletonHolder.h"
 #include "MantidKernel/ProxyInfo.h"
-#include <vector>
 #include <map>
 #include <set>
+#include <string>
+#include <vector>
 
 #include <Poco/Notification.h>
 #include <Poco/NotificationCenter.h>
-#include <Poco/AutoPtr.h>
 
 //----------------------------------------------------------------------
 // Forward declarations
 //----------------------------------------------------------------------
 /// @cond Exclude from doxygen documentation
 namespace Poco {
+class AbstractObserver;
 class Channel;
+template <class C> class AutoPtr;
 namespace Util {
 class PropertyFileConfiguration;
 class SystemConfiguration;
@@ -37,7 +39,6 @@ namespace Kernel {
 //----------------------------------------------------------------------
 // More forward declarations
 //----------------------------------------------------------------------
-class Logger;
 class FacilityInfo;
 class InstrumentInfo;
 

Framework/Kernel/inc/MantidKernel/DateAndTime.h

@@ -5,7 +5,11 @@
 #ifndef Q_MOC_RUN
 #include <boost/date_time/posix_time/posix_time.hpp>
 #endif
+#include <time.h>
 #include <iosfwd>
+#include <stdint.h>
+#include <string>
+#include <vector>
 
 namespace Mantid {
 namespace Kernel {

Framework/Kernel/inc/MantidKernel/DateTimeValidator.h

 #ifndef MANTID_KERNEL_DATETIMEVALIDATOR_H_
 #define MANTID_KERNEL_DATETIMEVALIDATOR_H_
 
+#include "MantidKernel/DllConfig.h"               
 #include "MantidKernel/TypedValidator.h"
+#include "MantidKernel/IValidator.h"          
+#include <string>                            
 
 namespace Mantid {
 namespace Kernel {

Framework/Kernel/inc/MantidKernel/DateValidator.h

 #ifndef MANTID_KERNEL_DATEVALIDATOR_H_
 #define MANTID_KERNEL_DATEVALIDATOR_H_
 
+#include "MantidKernel/DllConfig.h"
+#include "MantidKernel/IValidator.h"
 #include "MantidKernel/TypedValidator.h"
+#include <string>
 
 namespace Mantid {
 namespace Kernel {

Framework/Kernel/inc/MantidKernel/DirectoryValidator.h

@@ -5,7 +5,9 @@
 // Includes
 //----------------------------------------------------------------------
 #include "IValidator.h"
+#include "MantidKernel/DllConfig.h" 
 #include "MantidKernel/FileValidator.h"
+#include <string>                   
 #include <vector>
 
 namespace Mantid {

Framework/Kernel/inc/MantidKernel/DiskBuffer.h

 #ifndef MANTID_KERNEL_DISKBUFFER_H_
 #define MANTID_KERNEL_DISKBUFFER_H_
 
-#include "MantidKernel/DllConfig.h"
 #include "MantidKernel/FreeBlock.h"
-#include "MantidKernel/ISaveable.h"
 #include "MantidKernel/System.h"
 #ifndef Q_MOC_RUN
 #include <boost/multi_index_container.hpp>
@@ -15,13 +13,16 @@
 #include <cstdint>
 #include <limits>
 #include <list>
-#include <map>
 #include <mutex>
+#include <string>  
 #include <vector>
 
 namespace Mantid {
 namespace Kernel {
 
+// Forward declare
+	class ISaveable;
+
 /** Buffer objects that need to be written out to disk
   so as to optimize writing operations.
 

Framework/Kernel/inc/MantidKernel/EmptyValues.h

@@ -28,6 +28,7 @@
     Code Documentation is available at: <http://doxygen.mantidproject.org>
 */
 #include "MantidKernel/DllConfig.h"
+#include "MantidKernel/System.h" 
 
 namespace Mantid {
 

Framework/Kernel/inc/MantidKernel/EnabledWhenProperty.h

@@ -2,9 +2,9 @@
 #define MANTID_KERNEL_ENABLEDWHENPROPERTY_H_
 
 #include "MantidKernel/System.h"
-#include "MantidKernel/IPropertyManager.h"
 #include "MantidKernel/IPropertySettings.h"
 #include <memory>
+#include <string>   
 
 namespace Mantid {
 namespace Kernel {
@@ -64,6 +64,10 @@ File change history is stored at: <https://github.com/mantidproject/mantid>
 Code Documentation is available at: <http://doxygen.mantidproject.org>
 */
 
+// Forward decelerations
+	class IPropertyManager;
+	class Property;
+
 // Forward deceleration of structs defined at end of header
 
 /** Enum for use in EnabledWhenProperty */

Framework/Kernel/inc/MantidKernel/EnvironmentHistory.h

@@ -5,6 +5,7 @@
 // Includes
 //----------------------------------------------------------------------
 #include "MantidKernel/DllConfig.h"
+#include <iosfwd>
 #include <string>
 
 namespace Mantid {

Framework/Kernel/inc/MantidKernel/Exception.h

@@ -5,6 +5,7 @@
 // Includes
 //----------------------------------------------------------------------
 #include "MantidKernel/DllConfig.h"
+#include <exception> 
 #include <stdexcept>
 #include <string>
 

Framework/Kernel/inc/MantidKernel/FileDescriptor.h

@@ -5,6 +5,7 @@
 #include "MantidKernel/DllConfig.h"
 
 #include <fstream>
+#include <stdio.h>
 #include <string>
 
 namespace Mantid {