Merge pull request #11 from karibronson/develop

Add drop down menu, one hardcoded one dynamic
Parse incidents for year and insert unique values into an array
Create drop down menu with year array
Merge pull request #12 from yooJWL/develop

Parse incidents for year and insert unique values into an array
Add working filters to the pie chart
  -Properly handles dates which contain no values
  -Filters by any combination of year and month
  -Updating filters only reloads the specified pie chart div
Merge pull request #13 from yooJWL/develop

Add working filters to the pie chart
Integrate Bar Chart