SCHEMA-808. Eliminate Maven profile named "profiling".

 - Replace the Maven profile with an always-on profiling Maven module
   that produces an artifact named kiji-schema-profiling.
 - Update enable/disable-profiling shell scripts to the new artifact file names.
 - Remove custom build script made unnecessary.

issue: https://jira.kiji.org/browse/SCHEMA-808
review: https://review.kiji.org/r/1904
SCHEMA-857. Fix Cassandra after breaking change in SCHEMA-851

issue: https://jira.kiji.org/browse/SCHEMA-857
review: https://review.kiji.org/r/1995
SCHEMA-860. Kiji classpath needs to have Hadoop before HBase

issue: https://jira.kiji.org/browse/SCHEMA-860
review: https://review.kiji.org/r/1996
BENTO-88. All "kiji" commands from Bento Box die silently for me (OS X) unless I delete the update informer code from the kiji shell script

issue: https://jira.kiji.org/browse/BENTO-88
review: https://review.kiji.org/r/1997
POM-40. Require JDK 7 to compile Kiji projects

issue: https://jira.kiji.org/browse/POM-40
review: https://review.kiji.org/r/2025
SCHEMA-840. Iterable based (instead of iterator based) KijiResult API

issue: https://jira.kiji.org/browse/SCHEMA-840
review: https://review.kiji.org/r/1965
Initial AsyncHBase support (rebased)
SCHEMA-789. Implement KijiTableWriter Interface w/ AsyncHBase
Updated necessary fiels as requested in pullrequest.
Added a wrapAndRethrow in the AsyncKijiTable constructor. Changed 'scanner' to 'Scanner' in a comment in AsyncKijiTableWriter.
SCHEMA-790. Implement BufferedKijiTableWriter Interface w/ AsyncHBase

Implement a BufferedKijiTableWriter interface using AsyncHBase instead of HTable.
Rewrote AsyncKijiBufferedWriter to use AsyncHBase's internal time-based buffer.
Updated AsyncKijiTableWriter and AsyncKiji as necessary to work with that change.
Cleaned up some formatting, declared method arguments 'final', and updated some deprecated methods.
Refactored code to comply with SCHEMA-775.

Refactored code to comply with SCHEMA-775 refactor of KijiColumnNameTranslator and LayoutCapsule.
SCHEMA-836. Implement AsyncSystemTable, AsyncSchemaTable, and AsyncMetaTable

issue: https://jira.kiji.org/browse/SCHEMA-836
Minor fixes.