Running host syncs in seperate tasks
Save Button will now be disabled as long as the name field is empty
Rename window save button will also be disabled while the textfield is empty
Fixed css problems in tutorials
Changed the onChange Funktion from a string-attribute to a real function
Made sure cancel and close buttons also use the remove function to get rid of id problems
Merge pull request #646 from swuest/correct_garbage_collection

Added two litte fixes to the editor garbage collection
Merge pull request #644 from swuest/disabled_save_button_new_topology

Save button in new Topology disabled while namefield empty
Merge pull request #643 from dswd/host_sync

Running host syncs in seperate tasks
Token now depends on session id
Added debug views
Added link to host users
Merge pull request #648 from dswd/debug

Debug pages for hosts, topologies, elements and connections
Merge pull request #645 from dswd/tutorial_css

Fixed css problems in tutorials
Saving random positions
Treating execute errors as user errors
Merge pull request #660 from dswd/fix_execute

Treating execute errors as user errors
Merge pull request #657 from dswd/pos_fix

Saving random positions