this goes to lowering the entry point for our docs people to be able to generate the "managed resources" guide without needing much setup.
rev4256 - plugindoc genreration can run without maven; rev4258 - modify linux script to be able to run from anywhere; rev4259 - fix the script to work on cygwin on windows; rev4263 - modify windows script to be able to run from anywhere;
This bug was previously known as http://jira.rhq-project.org/browse/RHQ-2213