Added a button for custom tutorial urls
Setting imported topolgies to initialized so only the timeout dialog appears
Fixed network instance removal
Merge pull request #669 from dswd/fix-import-name

Setting imported topolgies to initialized so only the timeout dialog appears
Merge pull request #670 from dswd/fix-netinst-remove

Fixed network instance removal
Merge pull request #674 from dswd/fixes

Fixes
fixed the bug that the template label in element config window was not updated after changing it
removed an unused line
Merge pull request #677 from t-gerhard/update_template_name

fixed the bug that the template label in element config window was not u...
Fixed vncterm so that it restarts after 30 minutes instead of shutting down
Merge pull request #680 from dswd/fix-vncterm

Fixed vncterm so that it restarts after 30 minutes instead of shutting down
Created OpenFlow tutorial
Merge pull request #682 from dswd/openflowtut

Created OpenFlow tutorial
Allowing custom icons for templates
Enhancements
Relax default timeouts a bit
Fixed nlxtp guest module package
Merge pull request #685 from dswd/fix-nlxtp-deb

Fixed nlxtp guest module package
Fixed template help url
Packaged websockify 0.6.0