Added tarvis file
Added travis support
Merge remote-tracking branch 'sam/master'

* sam/master:
  Added tarvis file

Conflicts:
	.travis.yml
Merge pull request #75 from samdunne/master

Add travis CI
-remove: ruby 1.9.2 from travis.yml because it breaks the Travis build
-remove: all ruby implementations except 1.9.3, 2.0 and 2.1
-change: allowing failure for jruby
Bugfix in lib/koudoku.rb: typo
Specifying Capybara ~> 2.4.0 as a development dependency.

This fixes an incompatibility error that's preventing Travis CI from
running tests.