add keyword parser
use module pattern for keyword parser

fix a scenario definition. changed the keyword parser to use the module pattern
updated keyword parser

made some changes to the keyword parser javascript
refactoring part 2

renamed getKeywordsList to getAllKeywords. removed keywordsList from
setter method. created keywordIsBlacklisted method
rename a few things
change where the top keywords get attached to

normally we should have the id for the keyword box. otherwise it will
get attached after the blog post form
add space after comment
Merge pull request #25 from xskander/feature/popular_keywords_r0

Feature/popular keywords r0