Merge pull request #636 from houqp/houqp-master

fix(build): add git submodule sync to fetchthirdpary
standarize script names for kobos
Merge pull request #637 from pazos/master

standarize script names for kobos
key event map for Android
the Back key on Android should close the popup window and menu
pass onClose gesture to Menu widget
use two finger swipe west/east to close TOC and bookmark respectively
tweaks of font size
Merge pull request #638 from chrox/master

use two finger swipe west/east to close TOC and bookmark respectively
Consider as corrupt a null-area bbox

Fixes crash with empty page_states
Merge pull request #639 from thotypous/master

Consider as corrupt a null-area bbox
Update defaults.lua

Frontlight decrease of sensitivity for two-fingered pan gesture
Update readerfrontlight.lua

Frontlight decrease of sensitivity for two-fingered pan gesture
Update readerfrontlight.lua

Frontlight decrease of sensitivity for two-fingered pan gesture
Merge pull request #641 from Markismus/master

Frontlight decrease of sensitivity for two-fingered pan gesture
refactor(doc): use ffi binding in picdocument