Added in search for competitions.
updated search results.
refactoring search results to be clear.
Undoing unnecessary changes.
Merge branch 'master' into clean_search
Merge pull request #341 from irjudson/master

Ignoring codalabconfig files
Only search published competitions and don't show search in production.
Merge pull request #340 from irjudson/clean_search

Search
First pass at worksheet/experiment integration.
Merge pull request #346 from cpoulain/master

First pass at worksheet/experiment integration (#321)
Merge branch 'master' of https://github.com/codalab/codalab