Add miqCheckForChanges calls back into navigation tab links

Clicking on navigation tabs no longer warns user if they have edit changes.
Introduced with this commit:
06c348f Eric Winchell at 10/2/13 10:40 AM (committed at 10/7/13 12:02 PM) Update navigation bar with dropdown hover state
Found while testing #1219 

https://bugzilla.redhat.com/show_bug.cgi?id=1176280
https://bugzilla.redhat.com/show_bug.cgi?id=1176281