Fix mistake in Incompatible changes regarding jmeter.save.saveservice.thread_counts

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1636173 13f79535-47bb-0310-9956-ffa450edef68
JMSSampler: For input string: "" java.lang.NumberFormatException (for Expiration or Priority fields)
- fix the bug
- simplify some code arround getPropertyAsString() vs Constant fields for Priority and Expiration
- add documentation for these fields in User Manual (JMS Publisher and JMS Point-to-Point)
- update screenshots
- add time unit in the GUI for expiration field and indicate the range 0-9 for priority level too.
Bugzilla Id: 57183

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1636619 13f79535-47bb-0310-9956-ffa450edef68
Update screenshots in changes for next version 2.12
Bugzilla Id: 57183

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1636625 13f79535-47bb-0310-9956-ffa450edef68
Fix some typo

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1636697 13f79535-47bb-0310-9956-ffa450edef68
Mention contributor

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1636732 13f79535-47bb-0310-9956-ffa450edef68
Apply fix on all occurrence (ref. r1636697)

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1636852 13f79535-47bb-0310-9956-ffa450edef68
Little typo on JMeter name

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1636854 13f79535-47bb-0310-9956-ffa450edef68
Prepare next release 2.12: update docs tree and overview (RC2)

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1636947 13f79535-47bb-0310-9956-ffa450edef68
Tag for pre-release

git-svn-id: https://svn.apache.org/repos/asf/jmeter/tags/v2_12_RC2@1636949 13f79535-47bb-0310-9956-ffa450edef68
Create docs branch

git-svn-id: https://svn.apache.org/repos/asf/jmeter/branches/docs-2.12@1636967 13f79535-47bb-0310-9956-ffa450edef68