Renamed other references MIT.LICENSE -> MIT.LICENSE.txt

Fixes ./installCodeSnippetsAndTemplates.
Attempt to run iOSFrameworkSpecs properly

- Runs the proper, suite: namespaced target
- Use #invoke to ensure suite is compiled before running
Merge pull request #273 from pivotal/fix-iosframeworkspecs-rake-target

Attempt to run iOSFrameworkSpecs properly