reverted the xss filter and get input additions to Request object
pulling values for get_input() from the request object
added ajax method to request object
getting client ip address from request object
added parameter bag from Symfony since so much of request code depended on it - also started adding methods for getting urls from request
need to not overwrite default in get_input()
using request object when getting url in input library
using request object in forward()
fixes documentation to pass coding standard checks
Merge pull request #5639 from cash/request

Make request class compatible with Symfony's request class