Merge pull request koreader#2534 from Hzj-jie/master

Removing metadata file instead of purging .sdr folder

Merge pull request koreader#2341 from koreader/houqp-master

minor: add doc_home_display_name setting

Merge pull request koreader#2227 from chrox/fix_2225_2226

revert 9ab005a changes to UIManager:sendEvent

Merge pull request koreader#2220 from chrox/fix_2219

fix koreader#2219

Merge pull request koreader#2155 from chrox/fix_2131_2130

diable double tap by default in the widget stack

Merge pull request koreader#2121 from chrox/fix_1801

add inactive touch zones around buttons on Kindle Voyage

Merge pull request koreader#2102 from chrox/android_fixes

add support of screen brightness settings for Android

Merge pull request koreader#2089 from chrox/fix_android_build

fix Android build

Merge pull request koreader#2053 from koreader/chrox-master

update koreader-base

Merge pull request koreader#2042 from koreader/houqp-master

automatically set proper ev timeval for kobo touch