get rid of all those runtime normScale multiplications (remerge)
no code changes
fix typo
add backwardcompability with old renderer
-> detect incorrect utf8 sequences and fallback to Latin-1 for broken ones
cache kernings
fix
check for duplicated glyphs and reuse
Merge branch 'develop' of https://github.com/jk3064/spring into develop

Conflicts:
	rts/Rendering/Fonts/CFontTexture.cpp
	rts/Rendering/Fonts/CFontTexture.h
	rts/Rendering/Fonts/LanguageBlocksDefs.h