Move colors in constant. #172
Subject positions list on redis has a fixed size. #172
Draw sensors on trace dashboard. #172
Remove Hello from trace dashboard. #172
Fix bug in trace_controller. #172
Remove dashboard/conf/general.user.js from git tracking. #172
Added Arduino_Acquisition class.

Communicates with Arduino devices.
Added Data Acquisition Unit abstract class.
Fixed EOL to Unix standard.
Added DAU comments and fixed the messaging system.
Arduino_Acquisition now inherits DAU class.
Fix fetching data from daq-01 + Fix clearing canvas at each GET. #172
Remove unused variables from constants. #172
Fixed typos and indentation issues in DAU Class.
Fixed typo in Arduino class.
Added DAU to core package.
Display greater rectangles for the most recent positions. #172
Fixed typo for measurement type key.
Split lines greater than 80 chars. #172
Remove general.user.js from version control. #172