Prepare Travis to run RSpec and Jasmine tests.

+ Source: http://about.travis-ci.org/docs/user/gui-and-headless-browsers/
Add .env file for Travis.
Attempt to fix Travis error message.

+ Travis states "A sender (Return-Path, Sender or From) required
  to send a message" when a user is created.
Remove Ruby 1.9.2 since Capybara requires Ruby 1.9.3.
Temporarily disable Jasmine tests.
Configure Jasmine integration.

+ Fix jasmine version 1.3.0 to ensure loading via `rake
jasmine:ci` works.
+ Source: http://iany.me/2013/01/rails-javascript-test-with-jasmine-gem/
Configure Jasmine continuous integration.

+ Source: http://iany.me/2013/01/rails-javascript-test-with-jasmine-gem/
Add failing test to verify Travis works.
Remove failing test since Travis works.
Merge branch 'feature/travis-rspec-jasmine' into prototype