AUTO-910 added exlude tags input to the crete feed form in the autoposter tab
added Feed Tags input , and modified functions used for saving feed's info
added 255 chars maxlength to Feed Tags input
AUTO-911 & AUTO-915 added functions for updating and saving the exclude tags and feet tags inputs
added stripslashes for exclude_tags and include_tags params before encoding to json
AUTO-944 fixed double escaping issue
Merge pull request #293 from GrabNetworks/auto897

Auto897