fixed test_template
rename %||%, colorize
added chart-data, refactored reorder_data_by_colorize
moved palette to Points
fixed Points
improved documentation, small refactors
finished testing placeholders
writing the tutorial, fixed features
changed warnings to messages
fixed data_ranges bug
named fields
fixed #fff in quantitative color scale
fixed padding and margins
fixed padding test, allowed rotating y axis
added param to show/hide sidebar
improvements on code and y label
fixed code sys.call
Merge branch 'fixing_points' into develop

* fixing_points:
  fixed code sys.call
  improvements on code and y label
  added param to show/hide sidebar
  fixed padding test, allowed rotating y axis
  fixed padding and margins
  fixed data_ranges bug named fields fixed #fff in quantitative color scale
  changed warnings to messages
  writing the tutorial, fixed features
  finished testing placeholders
  improved documentation, small refactors
  fixed Points
  moved palette to Points
  added chart-data, refactored reorder_data_by_colorize
  rename %||%, colorize