add tab abilities
Change load to d3
Add dialog for export button
Added dialog replaced dropdown for export options
Move toggle to css
Pie visualization started
Pie chart completed
Added barchart
Added line graph
Add bubble chart
Add bubble chart (Bug persist. X axis not labeled correctly)
Add histogram
Add todo list
Merge branch 'dev'

* dev:
  Add todo list
  Add histogram
  Add bubble chart (Bug persist. X axis not labeled correctly)
  Add bubble chart
  Added line graph
  Added barchart
  Pie chart completed
  Pie visualization started
  Move toggle to css
  Added dialog replaced dropdown for export options
  Add dialog for export button
  Change load to d3
  add tab abilities

Conflicts:
	Readme.md