Allows AtomicKijiPutter to write across locality groups.

Reviewed by: milo
SCHEMA-361. Fix HFile schema-extras tools for 0.94

issue: https://jira.kiji.org/browse/SCHEMA-361
review: https://review.kiji.org/r/462
SCHEMA-353. HBase 0.94 support.

Switch to root pom 1.1.0-SNAPSHOT
and upgrade dependencies to HBase 0.94-CDH4.2.1
SCHEMA-353. Use Apache HBase 0.94.7 in 'hadoop1' platform.

Apache Hadoop 0.94.7 is the appropriate 0.94.x variant to be
compatible with CDH4.2's 0.94.2 variant.
SCHEMA-368. Split shims for HBase 0.92 and HBase 0.94.

* Renamed cdh4mr1-bridge to cdh41mr1-bridge (CDH4.1-specific).
* Added cdh42mr1-bridge (CDH4.2-specific)
* Renamed hadoop1-bridge to hadoop1-hbase92-bridge.
* Added hadoop1-hbase94-bridge.

Added shim method for creating an HFile.Writer object.
SCHEMA-368. Use HFile.createWriter shim in kiji-schema-extras.
SCHEMA-369. Fix the JUnit tests so that exceptions are properly caught and validated.

Fix the JUnit tests so that exceptions are properly caught and the messages in
them validated. This ensures that the right line that is expected to throw the
exception is tested or the test fails.

Reviewer: taton
Replaces expected exceptions with try/catch.

Reviewed by: lsheng
Fixes last expected exception tests in KijiSchema.

review: https://review.kiji.org/r/484
SCHEMA-273. KijiTableReaders with options to choose between specific/generic Avro records

issue: https://jira.kiji.org/browse/SCHEMA-273
review: https://review.kiji.org/r/380