Update the default version of springloaded to 1.1.3

Matches the version used in Grails 2.2.3
Fixes test failure:
[main] ERROR agent.SpringLoadedPreProcessor  - Unexpected problem transforming call sites
during 'can create grails 2.0.0 project'
Merge pull request #37 from cfieber/bugfix/update-default-springloaded

Update the default version of springloaded to 1.1.3