Restored the IndexProtipJob
Skip search indexation if another job is enqueued.
Merge pull request #224 from seuros/searchjob

Skip search indexation if another job is enqueued.
Fix Travis build
Merge pull request #225 from seuros/travis

Fix Travis build
use ruby 2.1.3 for travis
Add Slug to Protip URLs for SEO

Use url slug format public_id-title for show protip view and redirect existing protip urls to the new url format

Added controller test for redirecting protip to slugged url

Update slug format for protips model
Restored the IndexProtipJob
Skip search indexation if another job is enqueued.
Fix Travis build
use ruby 2.1.3 for travis
Merge remote-tracking branch 'upstream/master' into protip-slugs
Merge branch 'protip-slugs' of https://github.com/ddyy/coderwall into protip-slugs