Change Aggregate graph to Clustered Bar chart, add more columns (median, 90% line, min, max) and options, fixed some bugs

[asfimport]

@milamberspace (Bug 53070):

Version: Nightly
OS: All

[asfimport]

@milamberspace (migrated from Bugzilla):
Created attachment Bug53070.patch: Patch

[asfimport]

@milamberspace (migrated from Bugzilla):
URL: http://svn.apache.org/viewvc?rev=1325638&view=rev
Log:
#2806 - Change Aggregate graph to Clustered Bar chart, add more columns (median, 90% line, min, max) and options, fixed some bugs

Added:
jmeter/trunk/src/components/org/apache/jmeter/visualizers/BarGraph.java (with props)
Modified:
jmeter/trunk/docs/images/screenshots/aggregate_graph.png
jmeter/trunk/docs/images/screenshots/aggregate_graph_settings.png
jmeter/trunk/src/components/org/apache/jmeter/visualizers/AxisGraph.java
jmeter/trunk/src/components/org/apache/jmeter/visualizers/StatGraphVisualizer.java
jmeter/trunk/src/core/org/apache/jmeter/resources/messages.properties
jmeter/trunk/src/core/org/apache/jmeter/resources/messages_fr.properties
jmeter/trunk/xdocs/changes.xml
jmeter/trunk/xdocs/images/screenshots/aggregate_graph.png
jmeter/trunk/xdocs/images/screenshots/aggregate_graph_settings.png
jmeter/trunk/xdocs/usermanual/component_reference.xml