INT-2895 Update Bundlor Ranges for 2.2.1
Merge pull request #715 from garyrussell/INT-2895

* INT-2895: Update Bundlor Ranges for 2.2.1
INT-2902 Fix Groovy Test Timing Problem

A message could be released by the delayer before
the scheduler was destroyed.
[artifactory-release] Release version 2.2.1.RELEASE
[artifactory-release] Next development version
Update Master to 3.0.0.BUILD-SNAPSHOT
INT-2873 Create 3.0 Schemas

Copy schemas, cleanup whitespace, update spring.schemas files,
update version in AbstractIntegrationNamespaceHandler.

For each schema compared the 2.2 version with the 3.0 version
(diff -w), ensuring the only difference is the import of
3.0 schemas (where appropriate) instead of 2.2.
Merge pull request #716 from garyrussell/INT-2873

* INT-2873: Create 3.0 Schemas
INT-2893: fix chain -> router -> bean or script

* add XSD element for nested router type
* add tests on the matter
* polishing for RouterParserTests

JIRA: https://jira.springsource.org/browse/INT-2893
INT-2893: Polishing
INT-2893: after rebasing to 3.0

XSD changes reverted from 2.2 and moved to 3.0