Couple of fixes from Gentoo
This allows for users to use the plugin as a wildcard one, which is more in line with Munin itself.
This makes it behave more like the actual JMX jar shipping with Munin.
Fix for sample munin plugin script
close jmx connection in finally, support for composites multi-query support
show how to test script manually show config for jmx uri jmx uri of cassandra 0.8
filtering should be aware of enumerable expansions, all lower case values, keep track date of cache
example config for cassandra, make sure to create uniq attribute names filter support for attributes