[modules-dev] Initial repository management tool

[Dave Bristor]

I've created an inital repository management tool.  Currently it provides only 
list and query/find operations.  Please have a look at the code:

webrev: http://javaweb.sfbay/java/jdk/ws/libs/rev/6559117/
bugster: http://monaco.sfbay/detail.jsf?cr=6559117

I'll certainly need to add some tests.  Suggestions on how to test 
command-line programs are welcome.  I'm sort of tempted to cause the command 
objects to make their results available via an API, for easier inspection by 
tests; the visual output would be (untested) eye candy.

ToolBase.java is lifted from Jam.java; if it seems reasonable then I'd 
refactor Jam.java to use it.

Thanks,
	Dave