changes in crop.groovy, now it can run doResize on user profile
pictures and added jpegOptimize in doResize.
Merge branch 'biodiv_usergroups' of https://github.com/strandls/biodiv into biodiv_usergroups

Conflicts:
	src/groovy/species/utils/ImageUtils.groovy
	userscripts/crop.groovy
Minor
Minor
HashMap was missing for errors in crop.groovy.Added that.
HashMap Removed,Error message "RahulImageException" added
Merge pull request #8 from rksinha/biodiv_usergroups

Biodiv usergroups
Merge branch 'biodiv_usergroups' into biodiv_checklist