Keep GET params when clicking on a Bootstrap tab
Include current GET params in redirect to next
There was no way to get around this without some Javascript. I created a utility for links which adds a 'next' GET parameter containing the encoded current path, including GET parameters.
Revert "Include current GET params in redirect to next"

This reverts commit faf4efe81ebb990c0a498db32182b2ae9de1f522.
Non-JS approach to including GET params in 'next' argument
Made 'add_parameters' templatetag
Append after '&' if a '?' exists in the base URL
Merge branch 'develop' into fix/permanent-tabs-get-params

Conflicts:
	timepiece/templates/timepiece/project/view.html
	timepiece/templates/timepiece/user/view.html
Merge pull request #634 from caktus/fix/permanent-tabs-get-params

Make permanent tabs work with current GET parameters