** Override percent-encoding of colons.
NOTE! This commit modifies Drupal core.  For background see:

 https://groups.google.com/d/msg/islandora/qKTjpXAj1n0/rueu7krf1tAJ

Reapplies [992997f7cfb7cb3cb2a12cd5fd66afb07c38cc42] after that was overwritten
by a Drupal core update.
** Merge branch 'fix-percent-colon' into lyr-master

* fix-percent-colon:
  ** Override percent-encoding of colons. NOTE! This commit modifies Drupal core.