corrected some comments, mostly typos and errors from copy and paste
GPU compilation
mostly code formatting, additionally removed useless loop frame in lattice.cpp and renamed parameter in declaration of init function in lattice.hpp to match definition.
more code formating
Fixed generic cloud wall testcase.
Fixed compilation with VIRTUAL_SITES_COM
Merge remote-tracking branch 'espresso/master'
Fixed compilation with rest1 featureset.
Put particles to GPU also when the coulomb method changes.
Merge remote-tracking branch 'espresso/master'
further code formatting + potential bug in lb.cpp
Deactivated ELC with dielectric contrasts.
Merge remote-tracking branch 'espresso/master'
first iteration of LB file roundup completed
Updated genversion.
Merge pull request #178 from lahnerml/master

corrected some comments, mostly typos and errors from copy and paste
Fixed external_potential testcase
Undid some modifications.
Reverted wrongly "fixed" bug in lb.
Fixed warnings and debug compilation errors.