tweaks to formatting of the README
adding sonatype details to README
making mvn examples use the real profile name
updated example settings.xml to reflect oss sonatype config
adding support for oss sonatype distribution management and removing codehaus/wagon
updates to IDEA .iml files to reflect the folders after running mvn
adding a step in the groovy script to create the target folder
adding gpg plugin to automatically sign artifacts during a deploy