Add boost filesystem as a dependency.

MantidPlot/make_package.rb.in

@@ -43,6 +43,7 @@ library_filenames = ["libboost_regex-mt.dylib",
                      "libboost_date_time-mt.dylib",
                      "libboost_python-mt.dylib",
                      "libboost_serialization-mt.dylib",
+                     "libboost_filesystem-mt.dylib",
                      "libgsl.dylib",
                      "libgslcblas.dylib",
                      "libjsoncpp.dylib",

buildconfig/CMake/CommonSetup.cmake

@@ -40,7 +40,7 @@ set ( TESTING_TIMEOUT 300 CACHE INTEGER
 ###########################################################################
 
 set ( Boost_NO_BOOST_CMAKE TRUE )
-find_package ( Boost 1.53.0 REQUIRED date_time regex serialization )
+find_package ( Boost 1.53.0 REQUIRED date_time regex serialization filesystem)
 include_directories( SYSTEM ${Boost_INCLUDE_DIRS} )
 add_definitions ( -DBOOST_ALL_DYN_LINK -DBOOST_ALL_NO_LIB )
 # Need this defined globally for our log time values