#133 Clarify saveToCassandra function signatures for column names - initial idea
#133 Clarify saveToCassandra function signatures - refactored to use existing ColumnSelector types.
#84 Added demos module, updated travis yaml to not run ITs, won't fly.
#133 Changes from PR and scala api docs updated.
#133 Refactored ColumnSelector to better location.
Merge branch 'b1.0' into wip-133-explicit-functions
Merge branch 'master' into b1.0

Conflicts:
	.travis.yml
	CHANGES.txt