Adding filtering and sort for Ajax Listing
Changes of front-end

some codes
Update language template files
Skip en-GB files from Transifex
Update language files
Add language files es-ES
Add language es-ES to the config
Update dependencies doc
Updating template file

Using js template to help writing ajax results into the page
Issues Listing change

change of issues listing ajax retrieving method
Implement AjaxListQuery method for ajax listing
Change method to get listItems
Add a link to the project page at Transifex.
Add flag for es-ES
Change status labels used in database
Update filters list
Merge pull request #369 from joomla/StatusLabels

Change status labels used in database
Updating the language templates
Make priorities more clear
Merge pull request #370 from joomla/priority

Make the priorities more clear