Filter by eps tags issue in query statstics page
Filter by eps tags issue in query statstics page

Fixed the parsing issue of tag values which have '=' in name while
applying filters for eps stat tables in Query > Statistics page.

Change-Id: I5f1f4f5cce0b50ec224cc5a83382908f90743e15
Closes-Bug: #1716407

biswajit-mandal/contrail-web-core,biswajit-mandal/contrail-web-core,biswajit-mandal/contrail-web-core