Created a crop.groovy script to run on all images in db and a function absPath in Resource.groovy to return absolute path.
Merge pull request #4 from rksinha/biodiv_usergroups

Biodiv usergroups
minor
minor
Merge branch 'biodiv_usergroups' of https://github.com/strandls/biodiv into biodiv_usergroups

Conflicts:
	userscripts/crop.groovy