Added Bootstrap-sass to project and updated layout and partials

* Improved UI, set the stage for bigger UI improvements
* Added list of tracks to the Conference show page
Update feature test for tracks_show page

* Building out feature to retreive messages from message service
* Added haml views, with the intention of moving all views to haml
add message fetcher, first display of tracks message. message app now requires seed data for testing
feature spec for track view, message fetcher. next: kareem to implement messages seeds
removed root from json, reflected in hash indexing in views
updated style for chat window in tracks#show view
Added ajax call and chat form to tracks#show view

* Ajax call will make a hit the messages#create method in controller and
* make use of MessageFetcher (will be renamed shortly) to create message
* in Messages service
removed console.log statements from tracks#show view
Added test to confirm app's ability to successfully send a request to
the Messages service to create a new messsage.

* Currently, having issues getting test to successfully recognize 201
* response.status that is currently being returned from the Messages
* service to indicate the successful creation of new message
* Added methods to MessageFetcher class to faciliate communication
* between app and Messages service
Added vcr test for messages_controller_spec: 'lsPosting New message with valid params'
Updated conferences#show page to better display schedule being pulled
from the Scheduler service
Streamlined params hash in messages#create and removed form tag from
tracks#show page so the page no longer refreshes
Fixed Twitter auth issue (added credentials), also added redirect logic
to ensure user is redirected to page from which they logged in
Merge branch 'pubsub_implementation'