set translucency on fruit theme water, clamp size to even number (same sdl window resize) and honouring min size, reduce calls to dmgmod a bit

engine translation update, french

fix 'failed to install translation' message when misc/locale in hedgewars.ini is empty (which is *always* when 'system default' is selected)

cleaning up my own mess, turned out the italian translation has more descriptions than the english one XD

reintroduce the notice for restarting frontend after changing language

cleaning up nemo's mess :P ( re3407eef6b5474b2a3ea49ea49e354dc05144005 )

check for network for feedback dialog too