EXP-132. Extend model definitions and environments to allow users to specify PMML to use for model.

issue: https://jira.kiji.org/browse/EXP-132
review: https://review.kiji.org/r/1058
EXP-194. Allow multiple inputs/outputs to a single phase of the model lifecycle

issue: https://jira.kiji.org/browse/EXP-194
review: https://review.kiji.org/r/1054
EXP-195. Add support for Text Input/Output sources in the Modeling Lifecycle.

issue: https://jira.kiji.org/browse/EXP-195
review: https://review.kiji.org/r/1063/
POM-22. Release root pom version 1.1.3

issue: https://jira.kiji.org/browse/POM-22
review: https://review.kiji.org/r/1084
EXP-201. AvroValue should include an Avro SpecificRecord implementation

issue: https://jira.kiji.org/browse/EXP-201
review: https://review.kiji.org/r/1076
EXP-145. Allow EntityIdFactoryCache to accept a Configuration

issue: https://jira.kiji.org/browse/EXP-145
review: https://review.kiji.org/r/1075
EXP-202. Express script should pass hadoop flags to Hadoop's GenericOptionsParser.

issue: https://jira.kiji.org/browse/EXP-202
review: https://review.kiji.org/r/1100
EXP-136. Implement a trainer for linear regression models.

issue: https://jira.kiji.org/browse/EXP-136
review: https://review.kiji.org/r/1125
Fixup release version and small error message bug.

Reviewed by: robertchu
EXP-203. Pass arguments to model phases

issue: https://jira.kiji.org/browse/EXP-203
review: https://review.kiji.org/r/1141
Changed LM convergence criteria

review: https://review.kiji.org/r/1146/
reviewed by: robertchu
EXP-205. Avro 1.7.5 jars are not in front of hadoop classpath on cluster

issue: https://jira.kiji.org/browse/EXP-205
review: https://review.kiji.org/r/1151
EXP-212. Fix express-regression test failures.

issue: https://jira.kiji.org/browse/EXP-212
review: https://review.kiji.org/r/1159
EXP-105. Add ability to specify writer schemas.

issue: https://jira.kiji.org/browse/EXP-105
review: https://review.kiji.org/r/1160
Update versions for Chirashi 1.2.0 release.
[maven-release-plugin] prepare release kiji-express-0.9.0
[maven-release-plugin] prepare for next development iteration
EXP-159. Remove SchemaMismatchException.scala in org.kiji.express

issue: https://jira.kiji.org/browse/EXP-159
review: https://review.kiji.org/r/1162
EXP-204. Add "mode" to model executor

Also adds a tool to execute model lifecycle from commandline.

issue: https://jira.kiji.org/browse/EXP-204
review: https://review.kiji.org/r/1166

Reviewed by: robertchu
EXP-52. Support text key-value stores in KijiExpress.

issue: https://jira.kiji.org/browse/EXP-52
review: https://review.kiji.org/r/1161