CHOP-11. Handling maptype column families.

Includes some changes to the syntax of the DSL.

Signed-off-by: Robert Chu <robert@wibidata.com>
CHOP-5. Project build now generates scaladocs.

This commit modifies the configuration of the scala-maven-plugin in
the project build to also generate scaladocs during the prepare-package
portion of the lifecycle phase.

Signed-off-by: Robert Chu <robert@wibidata.com>
CHOP-36. Added optional timerange parameter for KijiInput.

Reviewed by: juliet