SCHEMA-659. Avro parser handle name-spaces properly

 - Properly define and implement name-spaces:
   - The following are absolute Avro names: ".SimpleName", "ns.SimpleName" and ".ns.SimpleName"
   - The name "SimpleName" is resolved against a current default name-space.

issue: https://jira.kiji.org/browse/SCHEMA-659
review: https://review.kiji.org/r/1651
Bridge updates.
Adds experimental support for non-CDH5 HBase 96.
Fixes copyright year.
Updates to CDH5b2. Adds factory methods for ByteArrayComparable filters to bridge.
Fixes an issue with scans.
Fixes HTableDescriptorComparator issues.