Merge pull request #55 from cliechty/fix-defNavAwayStrategy

Fix default navigateAwayStrategy not confirming more than once per route
fixed some PR formatting
Release v0.8.7
aaLabel - Execute  on the generated label to support rendering directives within your label (like the angular-ui tooltip for example).
Merge pull request #64 from jglinsek/master

aaLabel - render directives within the label strategy