Merge pull request #12 from LaravelRUS/1.3

Started branch 1.3 - model substitution
Merge pull request #13 from LaravelRUS/1.3

1.3
Merge pull request #14 from LaravelRUS/1.3

Fixed typo in reamde
Added Spanish
Added Spanish language and missing installation instruction
Merge branch 'master' of github.com:montogeek/localized-carbon