docs(guide/services): fix link to services api
docs(guide/bootstrap): fix link to angular.js  script in example

code.angularjs.org/angular.js is 404, updated it

Updated http://code.angularjs.org/angular.js in the example to http://code.angularjs.org/snapshot/angular.js
It works fine now.
perf($http): move xsrf cookie check to after cache check in $http

$http was previously checking cookies to find an xsrf-token prior to checking
the cache. This caused a performance penalty of about 2ms, which can be very
significant when loading hundreds of template instances on a page.

Fixes #7717
revert: style(loader.js): correct JSDoc tags of the params of the function module(name, requires, configFn)

This reverts commit f4c08fee85e0f6bab37d203cd9c39cb90bba7bd0.
style(loader.js): correct JSDoc tags of the params of the function module(name, requires, configFn)

This will improve the hints for IDE's which support the Google Closure Compiler (e.g. Webstorm)