Updated readme
Fix links in the README
Update README. Contributing wiki, clarification on support, remove google group.
Add a download action for teambox exports
HTML views for data notifications
Route ALL downloads through UploadsController (local + s3)

* No need any longer for SEND_FILE_METHOD constant
* Now properly checks wether upload is downloadable
* "Download" link no longer activates facebox.

Note: download url is now /downloads NOT /assets
Ensure upload url's are URI.escaped

Fixes exception: https://www.getexceptional.com/exceptions/8519748
Merge branch 'release-3-0'
travis config
add headless gem for CI
use hadless on the CI
fix randomly failing spec
fix teamboxdata specs
Rescue rcov tasks if Cucumber or Rspec are unavailable (e.g. production)
rspec-on-rails-matchers should only load in test environment
Merge pull request #32 from mrtorrent/master

Isolate test code
Merge branch 'master' of github.com:teambox/teambox

Conflicts:
	Gemfile.lock
Merge branch 'master' into skg