minor mods
Added LGPLv3 license
No need to prin in terminal anymore
New additions

* Added new graph on 'product view' - not clear enough though.
* Added new data (price average)
Added favicon
minor translations
Removed '!' from 'protect' methods, cleaner code
Style changes
added rspec options and changed the tests
Added validations and few rspec tests
Style changes to match PullReview :-)
code refactoring
Merge branch 'refactor'
Merge branch 'master' of github.com:atmosx/pritory