SCHEMA-607. Upgrade KijiTableReaderPool to support new ColumnReaderSpec options.

issue: https://jira.kiji.org/browse/SCHEMA-607
review: https://review.kiji.org/r/1541
SCHEMA-623. LeaseException in HBaseKijiRowScanner

 - HBaseKijiRowScanner also catches LeaseException in addition to ScannerTimeoutException.

issue: https://jira.kiji.org/browse/SCHEMA-623
review: https://review.kiji.org/r/1535
SCHEMA-627. schema-table tool should permit listing all schemas and permit standard out.

issue: https://jira.kiji.org/browse/SCHEMA-627
review: https://review.kiji.org/r/1567
Fixes RELEASE_NOTE entry.
SCHEMA-633. KijiURI builder should accept a List for the Zookeeper quorum instead of only array

issue: https://jira.kiji.org/browse/SCHEMA-633
review: https://review.kiji.org/r/1584
over-the-shoulder-reviewers: lsheng
SCHEMA-628. Re-enable kiji-schema-extras module

 - Untangle Java/Scala inter-dependencies.

issue: https://jira.kiji.org/browse/SCHEMA-628
review: https://review.kiji.org/r/1574
SCHEMA-628. Fix pom.xml dependency not properly rebased.
SCHEMA-487. Kiji uninstall produces a reference count warning

issue: https://jira.kiji.org/browse/SCHEMA-487
review: https://review.kiji.org/r/1585
SCHEMA-364. Fix KijiDataRequestBuilder MaxVersions error messages

issue: https://jira.kiji.org/browse/SCHEMA-364
review: https://review.kiji.org/r/1582
SCHEMA-365. Improve Invalid family name error message in KijiColumnName.validateNames

issue: https://jira.kiji.org/browse/SCHEMA-365
review: https://review.kiji.org/r/1583
SCHEMA-363. Fix KijiDataRequestBuilder PageSize error message

issue: https://jira.kiji.org/browse/SCHEMA-363
review: https://review.kiji.org/r/1581
[maven-release-plugin] prepare release kiji-schema-root-1.3.5
[maven-release-plugin] prepare for next development iteration
Forcibly remove javadoc plugin from kiji-schema-extras
[maven-release-plugin] prepare release kiji-schema-root-1.3.6
[maven-release-plugin] prepare for next development iteration
SCHEMA-647. Avro value parser does not support comments

issue: https://jira.kiji.org/browse/SCHEMA-647
review: https://review.kiji.org/r/1617
SCHEMA-649. Tiny bug in kiji-schema-extras Avro value parser

 - Fix typo in unit-test

issue: https://jira.kiji.org/browse/SCHEMA-649
review: https://review.kiji.org/r/1619
SCHEMA-650. KijiTableReaderPool should retain the table from which its readers read.

issue: https://jira.kiji.org/browse/SCHEMA-650
review: https://review.kiji.org/r/1626
SCHEMA-491. Share/reuse ZooKeeperClient instances when possible

issue: https://jira.kiji.org/browse/SCHEMA-491
review: https://review.kiji.org/r/1621