added Recurr to Credits
renamed language strings
removed var_Dumps
added class to type radio
adapted view-updatecheck

removed the display of changes, this as there is already a link to a
page where people can find information. Also added padding+line height
to the css for a better display
cleanup
cleanup backend
add tpl to function display
removed obsolete code
tweaked backend.css
adapted plugins
added version field to settings table
Merge pull request #12 from jemproject/master

merge master into develop