fixes for analytics regrssion.Added function for get all tables.contral-vrouter process name changed.contrail-opserver process name changed.Merged vn/vm uve tiers as single test case

Change-Id: I2529a0917965b0b12d832714b2c7463590e0e3db
Merge "fixes for analytics regrssion.Added function for get all tables.contral-vrouter process name changed.contrail-opserver process name changed.Merged vn/vm uve tiers as single test case"