Release 1.1.2 changes

Removed dist from travis houston-ci script

Moved debian folder to loki branch

Fixes for loading a book from right click in Files

Updated translations and desktop file

Added cmake prefix for install path to be set dynamically

Final release for v0.9 with .mobi support

Update README.md

Fixes for file chooser and setting of book cover image

Added control for line height in reading mode