Fix grails version. should be 2.4.3. When 2.4.2 release, version was not bumped from 2.4.1 to 2.4.2. Then when
2.4.3 was released, version was just bumped by +1 from 2.4.1 to 2.4.2. Should be 2.4.3.
Merge pull request #56 from dgrant/fix_grails_version

Fix grails version. should be 2.4.3. When 2.4.2 release, version was not...