Working on getting logins working again
Merge /home/zas1024/gene
Added a thank you for siging in message

Fixed issues where homepage was reloaded in modal after siging in
Got code that creates DataSets object running

Fixed one genofile that had extra quotation marks
in the comments that caused an error

Defaults mb_graph_interval to 1 for species without chromosome
lengths in megabases
Moved code creating DataSets object to a function in dataset.py

Added caching to creating DataSets object
More signin changes
Merge /home/sam/gene
Created a group manager page where user administrators can create
groups of datasets to give/add read privileges to