#125 Fix node navigation after canceling node creation

[tlnd]

Fixed: Node navigation using the arrow keys does not work
http://sourceforge.net/tracker/index.php?func=detail&aid=2918427&group_id=7118&atid=107118

I reverted parts of the changes of revision 1.40.14.21.2.62.
I don't know why the invokeLater() call was removed, but reinserting it does fix the bug. I further don't know whether this has any unintended side effects.
A diff as well as a zip file is attached.

[tlnd]

Patch against current fm_060405_integration

[tlnd]

zip of changed file