Added counting words.

- Added word_counter.py
- Added emailMsg.
- Added missing modules.
- Added wiring common words to neo4j loader.
- Added word query.
- Fixed rest of queries in query_word.
- Updated api_root
- Added initial UI changes.
- Added "words" category to UI.
- Added words->dates->emails
- Added words->emails
- Added contacts->words->emails
- Changed minezy_app/ui/static/dist/app/core.min.js to a sim-link.
- Added tokenizing of emails and urls
- Filter out quoted emails in replies.
- Added index for 'Word' label.
- Started decoding email payload.
- Match all urls (not just http, https).
- Added validating words for unicode.