Backed out 6 changesets (bug 1602832) for causing perma failure at test_trr_case_sensitivity.js. CLOSED TREE

Backed out changeset 0e9c378df995 (bug 1602832)
Backed out changeset 534fedb3836e (bug 1602832)
Backed out changeset db012c05d64e (bug 1602832)
Backed out changeset ca0c207dca21 (bug 1602832)
Backed out changeset bea1f3aeea49 (bug 1602832)
Backed out changeset 2d54acd78124 (bug 1602832)