Add Vagrantfile and Berksfile. Modify Procfile for development use
Fix Elasticsearch error when there are no wallpapers.
Add favicon!
Fix missing strong parameters when signing up
Fix Elasticsearch error when there are no wallpapers.
Merge branch 'Branch_637dd512a82282f3204b0cd728356ed2bfe3c0df'

Conflicts:
	app/services/wallpaper_search.rb