fix yvt/openspades#266
implement yvt/openspades#249
Now getting resource directory from cmake instead of hardcode; also enabled RESDIR for Release builds
Merge pull request #274 from barzoj/master

fix yvt/openspades#266
Merge pull request #275 from noway421/some_more_tweaks

Resource directories defined on compile time
Fix yvt/openspades#285.
Merge pull request #286 from theunknownxy/issue285

Fix yvt/openspades#285.
Update README.md

cmake option for release build
Small README.md edit

Specifying type is not required in cmake vars.
Merge pull request #289 from noway421/patch-1

Small README.md edit
Merge branch 'master' into ngspades
merge