Install firefox 33 on Centos

UI sanity on Centos was using firefox 31.2 which started casusing issue with latest selenium release
so firefox 33 needs to be used.

Change-Id: I1680b2dcfa1dbbdda611dc19907b46af6b22b47d
Merge "Install firefox 33 on Centos"
Changes to provisioning script to setup webui and compute for vcenter mode. deleted the testbed_vcenter_esxi example and intergrated all the necessary testbed params in to testbed_multibox_example with explanation of each field

Change-Id: I520202c11359d3c2dbf3eba3cd1db42f570c24fb
Merge "Changes to provisioning script to setup webui and compute for vcenter mode. deleted the testbed_vcenter_esxi example and intergrated all the necessary testbed params in to testbed_multibox_example with explanation of each field"
Fix syntax error in testbed python file

Change-Id: I852dcdebd3b8e7b908b0d722002b5e83b57b024f
Sync latest changes from Juniper/contrail-fabric-utils master branch