GitLab

- putting own header file first
  o for reason see http://www.cplusplus.com/forum/articles/10627/#msg49679 and
                   http://www.cplusplus.com/forum/articles/10627/#msg49680

- remove 'using namespace' from header files
- remove 'using std::string' and 'using std::abs' from header files

For reason see:
o http://stackoverflow.com/questions/5849457/using-namespace-in-c-headers

xpang: fixed a bug in CSRWakefunction.cpp and added CSRIGFWakefunction.cpp for the integrated green function method

I moved this call out of the scope where node0 is writing to a file.

*****************************************************************
NOW CSR and SPACE charge are working in parallel but ONLY
if all dimensions are distributed. This is not understood !
*****************************************************************

now in radians instead of degrees.

coding guidelines. (More to do here.)

Merge branch 'develop' into svn: new ParallelTTracker, refactored from the old. Now default is to have units. Still lot of places that need to be cleaned up and/or fixed.