Merge pull request #17 from asobolev/master

Metadata tree improvements

LGTM
alphabetical sorting of metadata tree elements
added project file browsing
refactored metadata tree in a separate package. added type resolution for RDF literals while rendering
included reverse relations into the metadata tree - with fixes
excluded logger from metadata service
removed file browsing
renamed files in the metadata tree package
draft of the table to display metadata literals
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