fix bug where Ctrl+X don't delete stacked particles
Merge remote-tracking branch 'china-richway2/CutGlitch' into develop,
closes #176
apparently Ximon hates const; a lot;
added a bunch of const everywhere, had to modify a few functions to be const-compliant
_proper_ typing system using a union instead of multicast void*
D:^H^Hfix newlines at end of files
Fix various warnings, remove silly useless NO_INLINE system, remove the need for -fkeep-inline-functions
moar const
Merge pull request #180 from mniip/warnings

Warnings
fix remaining warnings, fix compiling errors when using --release