Some minor changes to vnctl to improve help output. Also added before_invoke and after_invoke hooks... Though they aren't used anywhere yet
The vnctl base class was getting a bit messy. Moved some stuff around a bit and commented it
Just some indentation that was off... no big deal
Merge pull request #174 from axsh/vnctl-tweaks

Vnctl tweaks
Fixed a bug in vnctl help output that was introduced in the last tweak. Also removed the invoke_task hooks since they aren't used anyway.
Merge pull request #175 from axsh/another-vnctl-tweak

Fixed vnctl help output... again
Merge remote branch 'origin/master' into feature-router-manager