added AT-Platform esque returning mouse pointer
refs #607
fixed AttributeError
refs #607
Merge branch 'master' into returning-mouse
Merge branch 'master' into returning-mouse
add mouse selection as a default in branch-master
add another unwind-to prop - minor fix
Favourite photos management
Added handlers for adding and removing from favs
Added sqlalchemy based database system for storing fav photos paths
Added funcs for addinf, removing, getting all and checking if is in fav photos
Deleting from favs db if file doesn't exists
refs #663
Removed unwind to property from scan group in json
Hover button color as in the project
refs #646 #445
Text documents with sqlalchemy and xdg
New module for documents management
Updated handlers and widgets
refs #620
Add document to database not returning path
refs #620
pep8-ed library_manager.py
refs #663
Merge branch 'master' into favs
Merge branch 'master' into slides-loading