Merge remote-tracking branch 'origin/add_point_source'

* origin/add_point_source:
  Removed data directory
  Final fix for map image not showing up sometimes
  Fixed map image not showing up sometimes
  Added API to set solid color of the geometry
  Using helper function to create material
  Using point sprites for the dots
  Do not use texture coordinates for the geometry shader
  Work in progress to clean up the mapper
  Optimize the code a bit
  Got the cities to show up on the map
  Got the points to show up
  Adding high level api for drawing points
  Work in progress to add point source
  Removed experimental code
  Work in progress to add point source class
  Work in progress to add point source class
Updated pointer to the raw data
Added custom command to copy data and rm data
Added custom command to copy data and rm data
Updated location of data in the source code
Removed debug message
Merge remote-tracking branch 'origin/update_data_ref' into next

* origin/update_data_ref:
  Removed debug message
  Updated location of data in the source code
  Added custom command to copy data and rm data
  Added custom command to copy data and rm data
  Updated pointer to the raw data