C++11 syntax fixes for API. refs #6592
C++11 syntax fixes for Crystal. refs #6592
C++11 syntax fixes for CurveFitting. refs #6592
C++11 syntax fixes stream >> confusion in DataHandling. refs #6592
C++11 syntax fixes for MDEvents. refs #6592
C++11 syntax fixes for PythonAPI. refs #6592
C++11 syntax fixes for PythonInterface. refs #6592
C++11 syntax fixes for ICat. refs #6592
Moved PRAGMA() define outside openmp block.

This means that our code base will now compile on non-openmp
compilers.  refs #6592 & #6345
C++11 syntax fixes for MDAlgorithms. refs #6592