Moved the normalize_values function to separate file corr_result_helpers.py

Added docstring test to normalize_values

Number of overlapping samples column now displays correctly in the
correlation results page
Removed foobar from top of notes.txt
Fixed bug where cursor was still being used in query
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
Merge git://github.com/zsloan/genenetwork into flask
Added DataSets class to dataset.py that will be used to create list of
confidential datasets
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
Fixed N Cases column on correlation results page
Created a group manager page where user administrators can create
groups of datasets to give/add read privileges to
Made the table in the group manager sortable, etc
Merge /home/zas1024/gene
Updated notes and created requirements.txt file
Updated requirements.txt
Change Correlation table value format
Committing installation notes before editing them more