Added makefile to automate creation of translation files
Added test translations for Spanish
Fixed i18n bugs, added localized field names for some forms.
Updated i18n makefile to only clean compiled message files
Updated settings to use envaya instead of message_tester as backend.
Merge branch 'master' of https://github.com/ireynolds/sms-immunization-manager
Merge branch 'master' of https://github.com/ireynolds/sms-immunization-manager