WIP demo program for using my Hexidraw library

Dependencies:   Hexidraw

Demo app for using my Hexidraw library for drawing on the Hexiwear's OLED

Changes

RevisionDateWhoCommit message
1:e5806bc5d2e9 2016-08-19 keithm01 Added image drawing example default tip
0:3975ec26d269 2016-08-19 keithm01 initial;