moved tree - table coupling to the main controller
excluded literals from the tree
refactored metadata source files
Resources: fix problem with resources dirs

The content of the two 'resources' directories was copied to '/resources' instead of '/'. This is now fixed.

This change should also fix the problem with the missing logging config. Respective imports were therefore removed.
refactored table item
refactored root tree items creation
Merge pull request #18 from stoewer/master

Resources: fix problem with resources dirs
merged master
added test for tree controller
refactored test resources to FakeRDFmodel
bugfix in tree filtering
Merge pull request #19 from asobolev/master

Draft of the table with metadata literals + some refactoring

There was just this small comment about code style, so I merged it.
added a small test for metadata table
Merge pull request #20 from asobolev/master

added a small test for metadata table

LGTM
Menu: show project menu and entry for settings

- Add a new menu called 'Project' to the menu bar
- The project menu appears only if a project is open
- The menu contains an entry that shows the project settings dialog
MenuCtrl: some additional tests
Merge pull request #21 from stoewer/menu-ctrl-tests

Menu ctrl tests
added sorting to the table. display label as name in the tree (if existing)
added test for Visual Item
some refactoring and a bugfix in the metadata treeitem