Grails 2.3.7 fixes and such
Don't throw missingmethodexception
Merge pull request #3 from plocke/noMissingMethodException

No missing method exception
Upgraded to Grails 2.3.7.
Upgrade Grails wrapper to 2.3.7.
Oops, forgot to add grailw files.
Cleanup.
Upgraded com.maxmind.geoip:geoip-api library to 1.2.12 version.
Code reformatted.
Version bumped to 0.3.1.
Changed documentation and SCM links. And added issue management.
add IntelliJ working files to .gitignore