SCHEMA-154. Re-add HBaseKijiAdmin.getHBaseAdmin().

Signed-off-by: Aaron Kimball <aaron@wibidata.com>
Final pass over release notes for release.
Update versions for release.
Set root pom for version for release.
[maven-release-plugin] prepare release kiji-schema-root-1.0.0-rc3
[maven-release-plugin] prepare for next development iteration
Update versions for development.
SCHEMA-166. Clean KijiClientTest to prepare merge with AbstractKijiIntegrationTest.

Signed-off-by: Lee Sheng <lsheng@wibidata.com>
SCHEMA-83. Added containsCell method to KijiRowData.

Signed-off-by: Robert Chu <robert@wibidata.com>