Explain pepc_npm parameter and rearrange a bit.
Merge pull request #11 from bsteinb/master

Explain pepc_npm parameter and rearrange a bit.
PNFFT: use ptrdiff_t for loop variables in fortran test
Merge branch 'master' of https://github.com/scafacos/scafacos
manual: rewrite 'compiling and building' in latex
p2nfft: switch link order of gsl and gslcblas libs
Merge branch 'master' of github.com:mh0fm4/scafacos
p2nfft: fix link order of gsl libs
fmm-sl: fix redefinition of typedef
Merge branch 'master' of github.com:scafacos/scafacos
Merge pull request #12 from dasmy/master

doc: added basic doxygen support.
add two more test files with reference data
wolf: add wolf summation (incomplete)
direct: clean up
Merge branch 'master' of https://github.com/scafacos/scafacos
doxygen: fixed typo
minor adjustments to doxygen. strips path names and uses more readable html file names now