add cpp part of action to record pair correlation function (without implementation)
add sceleton got g of r calculation, todo: add normlaization to return function
change histogram data output, include also x values
add normalization to gr
fix typos
add cpp tests for radial distribution function
start cython wrapping, templates broken
add part of wrapping
fix integer template parameter handling in cython
finish wrapping of remaining functions
add record_every parameter for possible rare recording of g(r)
add documentation for radial distribution function
adapt cpp test to record_every parameter
Merge pull request #28 from kjs73/pair_corr_func_2d

Radial distribution function