Turn off the separate documentation tests on the build servers

They will instead just run the single global target through
MantidPlot that will be much faster than running them indivually.
Refs #9639

Code/Mantid/Build/Jenkins/buildscript

@@ -62,7 +62,7 @@ cd $WORKSPACE/build
 ###############################################################################
 # CMake configuration
 ###############################################################################
-$SCL_ON_RHEL6 "cmake -DCMAKE_BUILD_TYPE=Release -DENABLE_CPACK=ON -DMAKE_VATES=ON -DParaView_DIR=${PARAVIEW_DIR} -DDOCS_HTML=ON ${PACKAGINGVARS} ../Code/Mantid"
+$SCL_ON_RHEL6 "cmake -DCMAKE_BUILD_TYPE=Release -DENABLE_CPACK=ON -DMAKE_VATES=ON -DParaView_DIR=${PARAVIEW_DIR} -DDOCS_HTML=ON -DSEPARATE_DOC_TESTS=OFF ${PACKAGINGVARS} ../Code/Mantid"
 
 ###############################################################################
 # Build step

Code/Mantid/Build/Jenkins/buildscript.bat

@@ -37,7 +37,7 @@ cd %WORKSPACE%\build
 :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
 :: CMake configuration
 :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
-"C:\Program Files (x86)\CMake 2.8\bin\cmake.exe" -G "Visual Studio 11 Win64" -DCONSOLE=OFF -DENABLE_CPACK=ON -DMAKE_VATES=ON -DParaView_DIR=%PARAVIEW_DIR% -DUSE_PRECOMPILED_HEADERS=ON %PACKAGE_DOCS% ..\Code\Mantid
+"C:\Program Files (x86)\CMake 2.8\bin\cmake.exe" -G "Visual Studio 11 Win64" -DCONSOLE=OFF -DENABLE_CPACK=ON -DMAKE_VATES=ON -DSEPARATE_DOC_TESTS=OFF -DParaView_DIR=%PARAVIEW_DIR% -DUSE_PRECOMPILED_HEADERS=ON %PACKAGE_DOCS% ..\Code\Mantid
 if ERRORLEVEL 1 exit /B %ERRORLEVEL%
 
 :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::