kiji-express: Small kiji-express-tools improvements  - inherit version from parent project  - remove unnecessary import, which caused a warning

commit: https://github.com/kijiproject/kiji-express/commit/c003793e911aec7523ea7e2e40f137543ba9043f
kiji-bento: BENTO-63. Express Tools should be correctly included in Bento

issue: https://jira.kiji.org/browse/BENTO-63
review: https://review.kiji.org/r/1470
commit: https://github.com/kijiproject/kiji-bento/commit/2c1d4b78fce0df2dcadc1caef194f0a4e78e0d50
kiji-rest: REST-76. KijiREST logging locations must be fully configurable

KIJI_REST_LOGS_DIR is the location where all logs go.
If not set, then default Dropwizard behavior as configured in configuration.yml.

issue: https://jira.kiji.org/browse/REST-76
review: https://review.kiji.org/r/1445
commit: https://github.com/kijiproject/kiji-rest/commit/b141afa0f3a033352b07369ad41bd85759d7d926
kiji-modeling: EXP-349. Add confidence and lift measures to itemset mining

issue: https://jira.kiji.org/browse/EXP-349
review: https://review.kiji.org/r/1462
commit: https://github.com/kijiproject/kiji-modeling/commit/d872a2cfdc51496fb5eaa459955969cb6ff1a651
kiji-modeling: Fixes checkstyle issue in RecommendationPipe.

commit: https://github.com/kijiproject/kiji-modeling/commit/cd0479e91db1b44371bf787e00f9932ef09d3fb7
kiji-schema: SCHEMA-611. ColumnReaderSpecs specifying specific record avro schemas are not serializable.

issue: https://jira.kiji.org/browse/SCHEMA-611
review: https://review.kiji.org/r/1474
commit: https://github.com/kijiproject/kiji-schema/commit/6d05013ee5654ea03b1fc677583fa43e28f15d40
kiji-modeling: EXP-336.  Add cosine, pearson similarity to modeling.

Also update Jaccard distance calculation to use the Scalding Matrix
library.

Cosine similarity and Pearson similarity match LensKit implementations.

Cheers to Amit for recommending the Scalding Matrix library and for
pointing Renuka and me to a paper that shows how Mahout implements
item-item similarity methods in a modular manner!!!!

review: https://review.kiji.org/r/1432
issue: https://jira.kiji.org/EXP-336
commit: https://github.com/kijiproject/kiji-modeling/commit/039060f0107f946b63c3d55bd2f4a55f72d7039c
kiji-express: EXP-364. Update the release.xml of express-tools and express

issue: https://jira.kiji.org/browse/EXP-364
review: https://review.kiji.org/r/1476
commit: https://github.com/kijiproject/kiji-express/commit/e558ac72e06baeff2c55fab523abbaa55ec75eaf
kiji-rest: Allow KijiRestPlugins to inject methods into the bootstrapping process.

Signed-off-by: Shashir Reddy <shashir@wibidata.com>
commit: https://github.com/kijiproject/kiji-rest/commit/58fc73c092dbb9b51c35e4567dd1f23ff6816201