Added overlay support, fixed renderGraph method.
App now retrieves saved user queries on load, added migration for saved_queries, added rrd_id column, WIP.
Added support to save queries from within adst result panel, WIP.
Code allows users to save query results and set deviation and severity values for alerts. Added front-end code to handle overlays, polling, json requests for saving/retreiving saved queries.
Committing WIP alarms.
Doing one last commit to ext_redesign before branching off into ext_adst.  Refactored old code to make use of new namespace for rollcall, made sure all phase one tests where passing in ext (ext_background_import.feature, ext_home.feature, and ext_schools.feature), did away with unnecessary route in routes.rb, tweaked UI to make the saving, loading, and editing of saved queries more user friendly.
Cleaning up code base.
Added assoication where applicable in the models, added alarm controller with WIP index action, added method saved_queries to module user.rb
Adding ability for app to pull alarms from back-end, WIP.
Committing code; generate rollcall alarms based on saved queries.  Calculates severity based on saved severity levels.
Committing code that allows users to create new saved queries off of existing ones, added none to symptoms.csv, added toolbar icon alarm.
Added support for Standard Deviation in RRDs, added alarm_set column to saved queries table, reworked rollcall_tasks.rake to generate patterns, WIP ext stuff.
Added moving average and standard deviation rpn notations to rrd model.  added ability to turn on total enrolled base line (wip).  tweaked the way rrd handles weekends.
Committing work for alarm feature. Users can create and set alarms.
Committing code for alarm management console.
Committing work to allow users to use alarm management console to ignore and delete alarms.
Fixed bug with CSV export, changed gender seeding from boolean to char, fixed bug in ADST and ADSTResultPanel.js with regards to export rrd data.
added code to clear checkbox value
Refactored code where possible, delagated export_rrd_data to delayed jobs, added User documents support to export_rrd_data.
Added tool to show school on google map.