Updating scalers
things that go kaboom
adjust bubble height according to unit height.
fix small palette issue
Fix for infinite loop and memory leak in reaction code.

If the TU % cost of the weapon action is low enough, the calculated cost get to 0, so the unit will always be able to react.

Fixes http://openxcom.org/bugs/openxcom/issues/818 #818
Merge pull request #951 from Smjert/ReactionTUFix

Fix for infinite loop and memory leak in reaction code.
Merge branch 'master' of https://github.com/SupSuper/OpenXcom
Merge branch 'master' into work

* master:
  Fix for infinite loop and memory leak in reaction code.
  fix small palette issue
  adjust bubble height according to unit height.
  things that go kaboom
  Updating scalers