Set sidebar panel position to fixed.
Add search functionality.
Note: search scrolling results in scrolling whole page, and sections for repo search results and user search results are not collapsible at the moment
Merge branch 'master' of https://github.com/vengefulstorm/pockithub

Conflicts:
	static/app.js
	static/templates.js
	templates/index.html
Adding search template missing from last commit due to merge