chore(release): start v1.2.7
chore(release): add codename for 1.2.7
docs(guide): fix typo

Closes #5481
chore(release): update cdn version
style($http): fix a semi-colon
docs(guide/forms): code style changes for an example

Closes #5499
docs(guide/forms): update example

Right now, non-integers such as 'aawefwae' are valid.
This ensures that only integers are valid. Hopefully that makes the example more powerful.

Closes #5501
chore: update Karma and SauceLabs launcher

This should improve stability as it contains capture timeout (if a browser does not capture in a given timeout it gets killed) and retry (if a browser fails to start, Karma will try n times before failing).
Updated README.md to reflect the purpose of this fork.
Fix urlResolve() to work for IE < 8 thus making routing work on these browsers
Allow for uri sanitizing on IE < 8

... since urlResolve has been fixed for these browsers in the previous commit
Fix $location.path() on IE < 8 to return '/' instead of '' for the site root

... to be en par with all the other browers, making the use of a homogeneous routing table possible.
make bower.json reflect the purpose of this fork