update assets
Remove psych_shield in Gemfile
Remove imagemagick dep
add helper index to caches table
Merge branch 'master' of github.com:Snorby/snorby
Version 2.6.2
Merge branch 'master' of github.com:Snorby/snorby
pack assets
Merge branch 'master' into demo

Conflicts:
	public/assets/snorby.css
	public/assets/snorby.css.gz
	public/assets/snorby.js
	public/assets/snorby.js.gz