chore(build): check cdn before executing the release-after-cdn script
fix(docs): Clarifying versions of IE that need special fixes
fix(docs): Update reference to `$routeProvider.otherwise`
fix(docs): Add missing whitespace
feat(build): add a grunt test for running protractor tests extracted from the docs
docs(tutorial): improve experiment instructions

Closes #5697
fix($location): return '/' for root path in hashbang mode

Before this change, on the root of the application, $location.path() would return
the empty string. Following this change, it will always return a root of '/'.

Closes #5650
Closes #5712
chore(build): bugfix for script utils