Merge commit 'd01d177fb35e863c53c83c5c3adf8293151ee3d3'

Conflicts:
	application.properties
Merge branch 'master' of github.com:mstein/elasticsearch-grails-plugin
fixed missing dependencies (somehow spatial4j was not pulled by grails (because of the "optional"?))
fixed the config not being registered in the contextholder in some cases
adds a few more debug logs in the configurator
update plugin version