done spanish translation
Merge pull request #546 from kavinsky/master

done spanish translation
fixes #414
0.9.0 build
plugins fixed, need do some addon tweaks
small issues fixed
in-game radio help removed (no one used it because of tooltips :) )
old sign files removed
performance tuning + LR for new OPFOR truck
fixes #547 (release build ? :) )
small fix
fixes #549
release package updated
rename class
fixes #550