Merge branch 'release/0.9.0' into development
#77 Merge branch 'feature/add_lithuanian_language' into development
Merge branch 'feature/add_lithuanian_language' into development
Estonian translation
Fix "fourteen" typo in latvian language
Merge remote-tracking branch 'remotes/miks/bug/latvian_translations' into feature/fix_latvian_language
#81 Merge branch 'feature/fix_latvian_language' into development
Merge remote-tracking branch 'remotes/miks/feature/estonian_language' into feature/add_estonian_language
#82 Merge branch 'feature/add_estonian_language' into development
Bump 0.10.0. Update Changelog. Remove default rake task.
Merge branch 'release/0.10.0'
Merge branch 'release/0.10.0' into development
Remove support for old ruby versions: 1.8.7, 1.9.2.
Try to fix travis.
Merge branch 'master' into development
Minor orthographic typo

The number *sixteen* in spanish should be written with an acute accent, e.g. *dieciséis*
Add coverage for number sixteen in spanish
Add special orthographic case for twenties in spanish
Add handling of special orthographic case for twenties in spanish
Add coverage of special orthographic case for twenties in spanish