Move main generator into generators directory
Start converting subtask classes to generators
Move generator spec setup into helpers
Move generators directory to directly under lib
Clean up custom generator helper syntax
Remove unnecessary generator requires
Convert DefaultView subtask to a generator
Convert remaining subtasks to generators
Move Gemfile whitespace cleanup into EmbryoGenerator
Remove unused gemfile-related code
Move remaining Filesystem functions into generators
Remove unused filesystem-related code
Adjustments to gemfile cleaning