add button images
style the control bar
responsive styles for control bar
add it
put the control bar in a partial
render the partial on load, so it's available
make the min not so small
make the control-info bar fixed

This makes sure that the bar is always showing even when we scroll to
the left in the cards views.
updated buttons
use outlines for the text instead of a font
add sketch doc for buttons
change font from Arial to Helvetica Light
normal font for settings button
Merge pull request #16 from maddox/control-info

Control Info Bar