Amending the TC charter language to reflect gender parity.

In keeping with the spirit of the charter, enforcing the
OpenStack ideals of Openness, Transparency, Commonality,
Integration, Quality, this patch supports language that
reflects gender parity.

Change-Id: I931f093933251432e38c660564e2fbfca611ef11
Merge "Amending the TC charter language to reflect gender parity."