Issue 146 ; adding explicit plugin versions, cleaning up maven 3.0-alpha warnings

adding license text to pom files

general pom cleanup, readying for moving additional configuration to parent

Rolling back removal of parent module. Seems that it's needed for correct generation of correct reports navigation system. Marcus has wisely suggested that the poms for central should be hand crafted, rather than trying to shoe horn the current, working, poms into their format.

Remove SWT-Examples dependency on parent module.

Issue 109 ; adding configuration for maven assembly plugin to examples and swt-examples

Issue 132 ; refactoring SWT examples from examples module to new swt-examples module, commit 1 of several