Merge pull request #833 from chrox/master

update koreader-base url to avoid permission deny
Merge pull request #836 from chrox/master

add missing gettext.lua file in customupdate
open fake_events instead of slider
add mo as dependency to customupdate
Merge pull request #837 from houqp/houqp-master

open fake_events instead of slider
use new cre api in crereader.lua
Merge branch 'houqp-master' of github.com:houqp/kindlepdfviewer into houqp-master
update koreader-base
Merge pull request #838 from houqp/houqp-master

fix api breakage
add bgcolor and fgcolor in text rendering