Norb: filters for chat
Merge branch 'master' of github.com:MurLemur/ErExt into develop

Conflicts:
	common/content.core.js
	common/extension_info.json
	common/options.html
	common/tools.js

Norb: content.main.js refactoring
Norb filters hotfix
Merge pull request #28 from igorez/develop

Develop