Merge pull request #93 from thotypous/master

Avoid comma on floating point numbers - solves issue #92
fix reader crash when hold pos is outside of page area
Merge pull request #94 from chrox/fix_hold_pos

fix reader crash when hold pos is outside of page area
updated german language, because the nativ font of kindle wasn't able to display the german sound change (ä,ö,ü)
Merge pull request #96 from Yim4/patch-1

updated german language, because the nativ font of kindle wasn't able to...
translation update
Merge pull request #97 from houqp/houqp-master

translation update
update translation
Merge pull request #100 from houqp/houqp-master

update translation
minor pot update
minor pot update
Merge branch 'houqp-master' of github.com:houqp/koreader into houqp-master
Merge pull request #101 from houqp/houqp-master

minor pot update