Add RHEL65 x64 to CI

Configuration and targets copied from Ubuntu 11.10 x64:
linux-g++_developer-build_qtnamespace_qtlibinfix_RHEL65_x64.
revdep-qtdeclarative for Ubuntu 11.10 x64 will be copied with
a separate commit.

Change-Id: Ib9b524d055b60acd3bf33f89f8aede40f4ed23e5