[#474] Use native name for language list
[#474] Adds the ability to translate question group name
[#474] Translate new group name default name to Spanish
[#474] Fix untranslated word
[#474] Make placeholder text translatable
Merge branch 'develop' into feature/474
[#474] Move hardcoded english labels to translatable strings
[#474] Enable translation on dropdown prompts
[#474] Move harcoded english strings to translatable keys
[#474] Move hardcoded english strings to translatable keys
[#474] Java properties file default encoding is ISO-8859-1

"... and is assumed to use the ISO 8859-1 character encoding; that is
each byte is one Latin1 character."

http://docs.oracle.com/javase/6/docs/api/java/util/Properties.html#load%28java.io.InputStream%29
[#474] Change capitalization based on UK rules
Merge pull request #477 from akvo/feature/474

Feature/474