Added time series charts and histogram charts.
Added spend data and adjusted y-axis of spend difference chart
Added function to convert integer month representation into string representation.
Removed sha code from the query to fix duplicated ccgs. Removed closed practices. Added functions to calculate avg, min and max, total annual spend, spend in difference. Prescription data is now pulled by code.
Adjusted y-axis max value and added clj-time to dependencies (to convert between month formats)
Moved chart drop line and custom popup code to separate script chart_sugar.js
This removes duplicated code and enables re-usability.
Removed unused variables
Removed unused functions and cleaned the code
Writing total_spend as long (instead of exponential notation).
Reverting "Writing total_spend as long (instead of exponential notation).
Replaced strips name with code. Fixed splitting of bnf-code and moved
the function to gp_prescriptions.clj. Moved checking for closed
practices to current-practices and updated prevalence queries to use
epraccur.csv file.
Removed test charts
Removed unused function
Merge pull request #5 from apawlicka/master

Fixed queries and added new charts