dropped minimum Grails version to 2.0
plugin.xml shouldn't be in source control
deleted unused files
cleanup
added release plugin
it's best to use slf4j instead of Log4j directly so other impls (e.g. Logback) can be used in the containing app
renamed the plugin descriptor so the plugin's derived name and portal URL have "paypal" in the name and not "pay-pal"
Merge pull request #1 from burtbeckwith/master

cleanup