SCHEMA-50. Kiji/KijiAdmin.retain/release().

 - Kiji now owns a lazily creates KijiAdmin singleton.

Signed-off-by: Robert Chu <robert@wibidata.com>
Adds KIJI_CLASSPATH info to 'kiji help'.

Signed-off-by: Juliet Hougland <juliet@wibidata.com>
SCHEMA-142. improve KijiTableReader API by adding KijiScannerOptions

Signed-off-by: Lee Sheng <lsheng@wibidata.com>
SCHEMA-127. Add interactive flag to help temper yesNoPrompt.

 - Flag --confirm is no longer

Signed-off-by: Christophe Taton <taton@wibidata.com>