Merge pull request #10 from caron10/master

Should OriginalVersion attestations attribute be mandatory?
Fixed bug and release 1.2.1
Change ontology items hash key from symbol :text to string 'text'.
Change autoload to require. There are two reasons to do it:
1. Autoload doesn't properly work. We had several issues when auloading
didn't load classes in indeterminate way.
2. It's deprecated, and it will be removed
http://www.ruby-forum.com/topic/3036681
Merge pull request #11 from lavrovdv/master

Change ontology.items hash key from symbol :text to string 'text'.
Merge pull request #12 from dem/master

Change autoload to require
Merge pull requests and release 1.2.2
add contributors on github.
shoten URL.
I am much sorry to confuse you.