Added Partial Support
Implement feedback
Added Tests
Merge pull request #3 from davidwindell/master

Added renderPartial()
Merge branch 'master' of git://github.com/manuscle/spiffy-navigation

Conflicts:
	tests/SpiffyNavigationTest/View/Helper/NavigationMenuTest.php
Added no interaction if Travis API limit is exhausted.
Update .travis.yml
Merge remote-tracking branch 'origin/master'