GitLab

- revert 'chdir()' change

    - fixing number of particles when the numbers don't add up to the total due to rounding errors;
    - clean up: rename files to comply with coding guide lines;
    - improve message when field of bend overlapps;
    - warning is emitted if too few fourier coefficients are used to filter the field map;

fixing restart: can now (again) restart from any step in any H5Part file that was written for/with OPAL; SDDS file and load balance file are rewound to an s-position less or equal as in the H5file

change data type of distCorr from std::vector to tenzor; working on matched gauss distribution; adding gsl error handler

definition of var's '*ippl' and '*gmsg' moved from 'opal.h' to 'Main.cpp' and 'opal.cpp' (otherwise we have  a linking problem with optPilot)

- 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

    - removing unused file
    - moved fieldlayout, mesh and layout to OpalData
    - started using smart pointers, removed lots of issues with destructors