Update README.txt
Update input.lua
Enable spanish, galician and catalan translation on koreader (translations are really done on transifex)
Merge pull request #603 from Markismus/master

Latest nightly crashed due to changes in input.lua
Merge pull request #604 from pazos/master

Enable spanish, galician and catalan translation on koreader
update koreader-base
use koreader/koreader travis icon and link