Don't rewrite URL's while still processing it

If we rewrite the URL we could lose extra info as search filters.
Fixes #670
Honor sitename filter when processing a collection's URL

See #670
Honor location_missing filter when processing a collection's URL

See #670
Revert "For #607 Fixed table header in memberships"

This reverts commit 0af97b24534dbfe2a0eac57baca90c9c6803464b.
Changing the Member permission headers to be sticky when scrolling. Few small details remaining. Related to #607
Merge branch 'master' of github.com:instedd/resourcemap into ruby-2.1.2

# By Matias Garcia Isaia (3) and Juan Blandini (2)
* 'master' of github.com:instedd/resourcemap:
  Changing the Member permission headers to be sticky when scrolling. Few small details remaining. Related to #607
  Revert "For #607 Fixed table header in memberships"
  Honor location_missing filter when processing a collection's URL
  Honor sitename filter when processing a collection's URL
  Don't rewrite URL's while still processing it