Solves #39: support documentation on enum values
Merge pull request #48 from marktplaats-external/twitter-master

Solves #39: support documentation on enum values
solves #47: Support fields with an enum constant that is included from another thrift file.
Added test for field with an enum constant that is included from another thrift file.
Renamed all template files to *.mustache.
Adds a javax.annotation.Generated annotation to generated sources.
Merge branch 'enum-constants'
Merge branch 'mustache'
Merge branch 'generated'

Conflicts:
	scrooge-generator/src/main/scala/com/twitter/scrooge/backend/StructTemplate.scala