Don't bundle the c-ext when building a JRuby gem
Don't install unsupported gems on JRuby
Import the JAR prior to accessing it's Java classes
Instrumented memcached lib is unsupported on JRuby
Fixed JRuby UDPReporter
Fixes shouldTraceRequest with X-TV-Meta support
Disable memcached travis tests until appneta/oboe-ruby#52 is fixed.
Move Metal context methods to base class.
Merge remote-tracking branch 'public/master' into issue_51
Revert "Disable memcached travis tests until appneta/oboe-ruby#52 is fixed."

This reverts commit 06ba0ef6a9253b3f7b84e6a3afc742e5b71a010e.
Use Patson's Joboe::TestReporter in Test
Support trace retrieval/clearing for tests.
Merge branch 'master' into issue_51

Conflicts:
	Gemfile
	lib/base.rb
	lib/joboe_metal.rb
	lib/oboe_metal.rb
Use Joboe's new ReporterFactory
JRuby specific self-require for rake console
Import the tracing mode and sample rate from Joboe
Move the test utility methods to platform specific modules
Param validation and assure that Java Agent was loaded via
premain
Empty xtrace string protection
Respect load state of the agent - and my authoritah!