add background hinting in koptinterface
disable hinting temporarily in config dialog and flipping mode and cropping dialog
Since hinting is of little use in these situations.
dismiss chrome bar before launching the reader
Merge pull request #787 from chrox/background_hint

add background hinting in koptinterface
Merge pull request #789 from chrox/new_ui_code

dismiss chrome bar before launching the reader
Merge pull request #790 from houqp/new_ui_fix

listen home key press in filechooser
rearranged source tree
Merge pull request #791 from houqp/new_ui_houqp

rearrange source tree
bugfix: require button widget
remove trailing spaces
remove screen rotation in readermenu
add dbg in wtest.lua
Merge pull request #793 from houqp/new_ui_houqp

minor fixes
Merge pull request #792 from chrox/new_ui_code

bugfix: require button widget
bugfix: fix loop scrolling in shorter pages
Merge pull request #794 from chrox/scroll_fix

bugfix: fix loop scrolling in shorter pages
bugfix: fix loop scrolling at the beginning/end of the document
Merge pull request #796 from chrox/new_ui_code

bugfix: fix loop scrolling at the beginning/end of the document
fix: properly initilize key_map for KT