Update of thumbnail on pull/add of images in species(logic change in
        mainImages())
Merge branch 'biodiv_usergroups'

Conflicts:
	grails-app/domain/species/Species.groovy
not removing log jars from war
commented digestjob execute
removed subject when there is no subject and styled group signature with Group label
fixed user icon on dis thread and corrected discussion spelling mistake
added few details into email
fixed page clicks
not showing page header in homepage
minor
minor
minor
minor
minor
added group info into comment mail
added group info into comment mail
minor
fixed group description in title template and added empty layout not to add home page tags twice
adding user to group if he registers from group
Added ContactMe on user profile page