add ta.yml
update ta.yml, update README.md(available locales section)
Update uk.yml
Merge pull request #441 from maniempire/master

Add new Indian language(Tamil) locale(ta)
Merge pull request #445 from sudosu/master

Fix dates format for Ukrainian (uk) language
Update it.yml

The italian decimals separator is comma.
Merge pull request #448 from marcolettica/patch-1

Update it.yml

The italian decimals separator is comma.
Remove activemodel and activerecord namespaces