Adds openssl-devel to the RPMs dependencies

pyOpenSSL (required by glanceclient) fails to build if openssl
header files are missing.

Change-Id: I3ebce749ee9ca88cbbecc6b7676a086d82670f4d
Fixes: bug #1188650
quantum-debug configuration fails on missing PUBLIC_BRIDGE

The Nicira plugin does not require an L3 agent, however the
PUBLIC_BRIDGE is needed by the quantum-debug tool as well as
nicira third_party configuration.

Fixes bug #1190062

Change-Id: Ie60f8f340e034a35a65e54518838c1d751a481a8
Merge "Adds openssl-devel to the RPMs dependencies"
Merge "quantum-debug configuration fails on missing PUBLIC_BRIDGE"