Allow multiple selection and delete in 'HTTP Header Manager' panel

[asfimport]

benoit.wiart (Bug 59816):
Because one click is better than several

OS: Neutrino

[asfimport]

benoit.wiart (migrated from Bugzilla):
PR #213

[asfimport]

@FSchumacher (migrated from Bugzilla):
Thanks for the contribution. I left out the changes to the logging framework, as I believe there is still some ongoing discussion about this.

Date: Thu Jul 14 18:44:54 2016
New Revision: 1752722

URL: http://svn.apache.org/viewvc?rev=1752722&view=rev
Log:
Allow multiple selection and delete in HTTP Header Manager.
Based on a patch by Benoit Wiart (b.wiart at ubik-ingenierie.com)

#4019
This closes #213 on github

Modified:
jmeter/trunk/src/jorphan/org/apache/jorphan/gui/GuiUtils.java
jmeter/trunk/src/protocol/http/org/apache/jmeter/protocol/http/gui/HeaderPanel.java
jmeter/trunk/xdocs/changes.xml