Merge pull request #143 from houqp/houqp-master

add scrollmode and fullscreen mode to defaults
when open document, check if provider is nil
Merge pull request #145 from ddysher/master

when open document, check if provider is nil
remove associated scroll mode setting with zoom mode
add defaults.lua in emu directory
Add cbz to the supported extensions of pdf viewer.
Fix bug #119.
semi-automatic bbox finding
Semi-automatic cropping is implemented with a initial
manual cropping that exclude the obvious decorating line or
the spine part in scanned books and then an automatic cropping
ie. background/foreground pixel detection restricted within
the manual cropping area.
This PR is a candidate for the solution of issue #141.
Merge pull request #147 from giorgio130/master

Make cbz show up in file chooser, fix #119
Merge pull request #146 from chrox/master

semi-automatic bbox finding
Added detection of single kobo models. Also a script to launch koreader is included and the related Makefile changes.
Merge pull request #148 from giorgio130/master

Clean-up for kobo devices
update translation