dry up readable_unguessable_urls_helper
Merge pull request #1266 from loomio/dry-up-readable-unguessable

dry up readable_unguessable_urls_helper
add dummy comment box on logged out discussions, and prompt to authenticate on click
minor fix on view/votes/new
minor fix to views/vote/edit
Merge pull request #1282 from loomio/prompt-visitor-to-authenticate

prompt visitor to authenticate on clicking dummy comment field on logged out discussion view
Clean up delegation with Translatable module

- Rename translate action to create
- Don't use kind_of? on Array
- Add id_field option to delegation
- Add translation_enabled? method
- Modify translate_link method
- EDIT: clean up Vote has_translations call
Merge branch 'master' into translation_caching