switch to arm-linux-gnueabi toolchain for Kindle devices
fix broken toggle frontlight on kpw2
fix broken support of mobi format
Merge pull request #508 from chrox/master

switch to arm-linux-gnueabi toolchain for Kindle devices
fix conflicts of two finger swipe gesture for flipping mode and showing TOC/Bookmark
Merge pull request #510 from chrox/master

fix conflicts of two finger swipe gesture for flipping mode and showing ...
get rid of several dirty hacks
Merge pull request #511 from chrox/master

get rid of several dirty hacks
fix missing page margin settings
Merge pull request #512 from chrox/master

fix missing page margin settings
make overlap pixels configurable
clipping page bbox
cleanup readerui init for pdf
fix semi-auto cropping for djvu files
Merge pull request #513 from chrox/master

fix semi-auto cropping for djvu files
fix font-family property ignored if no generic-family is provided
Merge pull request #514 from chrox/master

fix font-family property ignored if no generic-family is provided
dirty hack to prevent infinite loop on up skip puncutuation
This should fix #517.
Merge pull request #521 from chrox/master

dirty hack to prevent infinite loop on up skip puncutuation
hinting one page by default
since reflowed page has a minimum height of screen height.
There are no more than two pages displayed on screen
simultaneously even in scroll mode.