Revert "Merge branch 'master' of github.com:uDig/udig-platform"

This reverts commit fb537662fc0221adc902a42530a228ee5fdcd548, reversing
changes made to cbd19c745aafa2e87cfc0b0fbb72ff3b9a88a6aa.
Revert "fixed classpath issue groovy dependency"

This reverts commit cbd19c745aafa2e87cfc0b0fbb72ff3b9a88a6aa.