Escape blackslash in the angular_escapes filter
Escape blackslash in the angular_escapes filter

Co-Authored-By: Tadeu Sampaio <4c402af6b0655e12383640193b8fc4e09456d1af@ufscar.br>
Closes-Bug: #1617749
Change-Id: Ic97c6f3b0e3c4c91323dcba82bfe43e252e16b1a

noironetworks/horizon,noironetworks/horizon,noironetworks/horizon,ChameleonCloud/horizon,bac/horizon,sandvine/horizon,ChameleonCloud/horizon,NeCTAR-RC/horizon,NeCTAR-RC/horizon,BiznetGIO/horizon,yeming233/horizon,yeming233/horizon,bac/horizon,openstack/horizon,openstack/horizon,coreycb/horizon,NeCTAR-RC/horizon,coreycb/horizon,openstack/horizon,sandvine/horizon,ChameleonCloud/horizon,noironetworks/horizon,bac/horizon,BiznetGIO/horizon,yeming233/horizon,coreycb/horizon,BiznetGIO/horizon,coreycb/horizon,sandvine/horizon,yeming233/horizon,NeCTAR-RC/horizon,bac/horizon,sandvine/horizon,ChameleonCloud/horizon,BiznetGIO/horizon,openstack/horizon