Fix datetime in core.email. Ignore AWS providers in test instances.
	modified:   core/email.py
	modified:   core/tasks/instance.py
Fix email for Eucalyptus.
	modified:   api/notification.py
	modified:   core/email.py
Bugfixes and logging
Merge branch 'master' of https://github.com/iPlantCollaborativeOpenSource/atmosphere
Merge branch 'master' of github.com:iPlantCollaborativeOpenSource/atmosphere into appstore
Added instance launch modal