Upgrade to grunt 0.4.2
Only recognize numbers as valid page numbers
Add nginx task
Clean up events
Fix typo
Fix typos
Use an anchor tag rather than a button

IE handles events on button elements in a bizarre manner different from other DOM elements.
Using an a element in its place fixes the issue.
Include 404 page in build
Make search results a singleton to store past results
Load search results as a singleton
Fix bootstrap to version 3.0.2
Merge branch 'master' into save-search-results

Conflicts:
	src/scripts/router.coffee
Merge pull request #243 from Connexions/save-search-results

Save previous search results