Improve generators

 * set initialize_on_precompile for i18n-js gem
 * configure cancan ability for admin-dashboard
Update version numbers in Gemfile.lock
Update README.md

Links the wiki-page on setting up external services.
fix asset urls used for js

insert pageflow prefix to use assets from engine.
update dummy app ability to use new api
Add version and travis badges to README.md
skip default in active admin devise generator

the user created in the migration does not pass validations.
shorten move detailed generator description to wiki page
update link text in README.md
Fixes version of backbone and marionette in gemspec file
bump patch level
update Gemfile.lock
include admins and vendored assets in gem (#3)
Update README.md

add troubleshooting section.
fixes typo in help text: konfigierieren -> konfigurieren
generate resque.rake in resque generator

those rake tasks are required to start resque workers for file
processing (#5).
add hooks to config

subscribing to and invoking hooks
invoke hooks when files are submitted and encoded
user quotas for accounts

* add configurable quota adapter
* prevent user invitation if users quota is exceeded
published entries quotas for accounts