Fixed map preview overlap on certain locales (Fixes
issue #549).
Fixed overlapping of team selection widget and game cfg widget.
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
fix 'failed to install translation' message when misc/locale in hedgewars.ini is empty (which is *always* when 'system default' is selected)