kijiproject.github.com: DOCS-146. Fix Scoring user guide gists

issue: https://jira.kiji.org/browse/DOCS-146
review: https://review.kiji.org/r/1477
commit: https://github.com/kijiproject/kijiproject.github.com/commit/8ac4f7f78aae5054089d9abfd438c5cae362d033
kiji-schema: SCHEMA-612.  Fix copy-paste error in withTable javadoc.

review: https://review.kiji.org/r/1480
issue: https://jira.kiji.org/SCHEMA-612
commit: https://github.com/kijiproject/kiji-schema/commit/1cec2c6752980d5902a8d3eaeed0eb7b01741544
kiji-express: EXP-347. ColumnIn/OutputSpecs were not serialized in HFileKijiScheme.

issue: https://jira.kiji.org/browse/EXP-347
review: https://review.kiji.org/r/1468
commit: https://github.com/kijiproject/kiji-express/commit/a88c731cbf0e4e919efafabd91af0af1ac9420cf
kiji-express: EXP-356. Create construct methods for ColumnInputSpec and ColumnOutputSpec.

These construct methods are to be used by kiji-express-cascading's builder classes:
ColumnInputSpecBuilders and ColumnOutputSpecBuilders.

Adds getTap as a static method on KijiSource companion object.

issue: https://jira.kiji.org/browse/EXP-356
review: https://review.kiji.org/r/1483
commit: https://github.com/kijiproject/kiji-express/commit/92db45e330480de758332a6afeeb1008ee76ffac
kiji-rest: REST-84. kiji-rest script should allow specifying JVM arguments.

 - Introduce KIJI_REST_JAVA_ARGUMENTS for users to specify JVM arguments.

issue: https://jira.kiji.org/browse/REST-84
review: https://review.kiji.org/r/1488
commit: https://github.com/kijiproject/kiji-rest/commit/a278dadd9fca233365b24f20a2f06e42ec4947e6
kiji-rest: REST-63. KijiREST should have a mode to serve all Kiji instances in a cluster.

issue: https://jira.kiji.org/browse/REST-63
review: https://review.kiji.org/r/1486
commit: https://github.com/kijiproject/kiji-rest/commit/0bb66e9c634bdb71379ef3468b3781b19f17ab77