removed final modifier to make the root node inheritable
localization for docear root node text
added "Downloads" folder to the workspace

-used to store downloaded recommendations at
bugfix: prevent NPE
modification to allow replacement of menu actions
Merge branch 'freeplane_master' into workspace_1.0
enabled recommendations
changed DefaultWorkspaceTreeModel to support nodes in root other than projects
Merge branch 'freeplane_master' into workspace_1.0
adjustments after the merge
fixed Exception when refreshing node expanded state on project-refresh
Merge branch 'freeplane_master' into workspace_1.0
set "docear current version" tag for new docear projects

-fixed docear project load order
changed return type to generic for project.getExtension
Merge branch 'freeplane_master' into workspace_1.0
-added "add repository path" action
added "remove repository path" action
added missing files
bugixes in reference management