Log Message:
Update ruby-commander to 4.3.4.

=== 4.3.4 / 2015-05-03

* Fixed a regression with the compact help formatter.

=== 4.3.3 / 2015-04-21

* Updated to highline 1.7.2 to fix a regression with terminal size \ 
(https://github.com/JEG2/highline/pull/139).
* Help formatting updated to look better for commands with long names. (@jszwedko)

=== 4.3.2 / 2015-03-31

* Version bump to publish new location of Commander to Rubygems. Moved to \ 
https://github.com/commander-rb/commander

=== 4.3.1 / 2015-03-27

* Fix various Ruby warnings for circular requires, etc.
* Update to use highline 1.7 (@SkyTrix)