Started final visualizations
Fix average file age bars
Add visualizations for gender, age, country, file size and age
Change column charts into bar charts
Added total number of each file type
Started final visualizations
Fix average file age bars
Add visualizations for gender, age, country, file size and age
Change column charts into bar charts
Added total number of each file type
Add OS version pie chart
Fix conflicts
Fix conflicts
Fix conflicts
Resize visualization columns
Merge pull request #16 from TeamWhat/visualization

Visualization
Video receiving
Fix video tests
Add info to xls, add video xls
Visualizations for videos