Adds some more goals for the 0.4 release.
Unified toolbar for 10.10.
10.10 full UI translucency by combining a transparent titlebar, full content window mask, nseffectsview, and source style tableview selection.
Tweaks some padding values to give a uniform amount of white space between elements and the new reduced height title bar.
Revises the TODO list in order to get something usable day-to-day.
Wires up the UI for a contextual menu on the image view, with a stubbed out item that fires off a deleteSelectedItem call to the view model.
Adds deletion of item entities and their data files to the model.
Wires up the Delete contextual menu item in the UI to the model services to actually do the deletion.
Switches Core Data's DB location to ~/Library/Application Support/Caturlog/, which is where the images already were.
Merge branches 'feature/ui-polish' and 'feature/item-deletion' into develop
Merge branch 'release/0.4'