Update Docs/Request/Request.md

Indicate that iOS 6 also caches AJAX requests. 

http://stackoverflow.com/questions/12506897/ios6-safari-caching-ajax-results/12521180#12521180
Merge pull request #2429 from barryvan/patch-1

Update Docs/Request/Request.md
Remove some unicode character from the specs
Fixes #2407 - add capture info to removeEvent
Adding test for previous fix for removing delegated focus events.
Fixes #2407 - Merge branch 'fix-2407'
Update Docs/Element/Element.md

Added missing closing quote to the example of element construction with namespace.
Merge pull request #2468 from rickogden/master

Fixing a missing closing quote in the Mootools Docs.
Fixes #2447 - Using 'callee' in item, instead of item.callee, which threw an error
Merge branch 'fix-2447' closes #2455