SCHEMA-127. Add interactive flag to help temper yesNoPrompt.

 - Flag --confirm is no longer

Signed-off-by: Christophe Taton <taton@wibidata.com>
SCHEMA-154. Makes KijiAdmin an interface backed by HBaseKijiAdmin.

Also adds a convenience method to InstanceBuilder for adding cell values
with the current timestamp.

Signed-off-by: Juliet Hougland <juliet@wibidata.com>
SCHEMA-105. Move KijiColumnPager to impl package

Signed-off-by: Robert Chu <robert@wibidata.com>
SCHEMA-154. Re-add HBaseKijiAdmin.getHBaseAdmin().

Signed-off-by: Aaron Kimball <aaron@wibidata.com>
Final pass over release notes for release.