Add user_name project_name and color option to log
Add user_name project_name and color option to log

 * adds project_name and user_name to context for logging
 * adds color argument to logging which allows for colored
   log output based on the log level

Change-Id: If37d646fdba77d4214f72b19e5df02da5f7dbac6

n0ano/ganttclient