Merge pull request #78 from Ravenstine/master

Restrict guest remotes, fix mongo database url, and add rack zippy gem.
Add description length validation in Remote.
Add clientside validation for remote description.
Add clientside check for description length. Fix feature test to click on Use Remote rather than Send.
Disable submit if the description character length is above 5000 characters.
Merge pull request #79 from Ravenstine/master

Add page title description, links, explanation page
Fix feature tests to click on New remote instead of New Remote.
Add test for invalid and blank urls if it's a quick remote, use the dispatch messages, and shorten method names.
Add tests for more complete coverage.
Merge pull request #96 from nicolejpaz/add_remote_description_length

Add remote description length check, and add tests