Set base C* version in debs and strip -N, ~textN, +textN

Patch by Michael Shuler, reviewed by brandonwilliams for CASSANDRA-8046
Merge branch 'cassandra-2.0' into cassandra-2.1

Conflicts:
	debian/rules
Merge branch 'cassandra-2.1' into trunk
ninja add support for yaml profile as a url
Merge branch 'cassandra-2.1' into trunk