introduce i18n-tasks gem with thoughtbot config
project specific changes to i18n-stask config
change to have an clean locale state
 Display global issue link only if necessary
introduce state module
rename download to fetching
using state model in all previous places
using helper method to determing state label
make changes according to hound
change oder of failed and done in states module
change code style according to style guide
change hound.yml according to the styleguide
correct indentation
using ruby 1.9 syntax in the view
add new queue for priority pushes.
add rules for priority-push to settings.yml

See information about the rules here:
https://github.com/ontohub/ontohub/issues/694#issue-27703382.
add specific queue handling to batch worker

The OntologyBatchParseWorker now can take method calls which directly
supply the queue to place the job in. Additionally there is a convience
method for the priority-push queue.
add methods for priority-conditions check

Add a method to check whether the necessary priority
conditions are met. Additionally add a helper
method to retrieve the specific settings.
send batch-parse jobs to priority if appropriate.
handle priority for batch-parse correctly.