MIGR-124; Few more metadata.
MIGR-124; Fix icons CSS
Initial Groovy integration tests
Add MigrationExceptions
NetBeans Groovy attempt
Add Utils.copyResourceToDir()
Add groovy -all dependency.
Reorganize Utils.
MIGR-24 Externalize the logic (rules) of migrating data - WIP
MIGR-24 Externalize the logic (rules) of migrating data - WIP