Added gui folder. Added protoypes of 2 types of gui, one using glut and the other using fltk.
For #28, make glutgui with ros.
For #28, some experimental thing using glDrawPixels.
For #28, drew some more things like battery and signal.
For #28 small changes
For #28, created header file to share information with ros
For #28, changed array to linkedlist. Added the stubs for GPSGui class
for #28, linked lists appear to be working
For #28, more work on gui input.
For #28: most of the basic stuff drawn
For #28, fixed drawing of tilt angle (default is 30 degrees so that you can see it), drew some more text.
For #28, started on drawing the path, so far it only draws random connected lines (I generated random numbers for the path), but it's getting there.
For #28, battery and signal now dsiplays properly, also added in some more text.
For #28, fixed rover path rotation on the GPS display
For #28, fixed updating GPS co-ordinates, added some comments for clarity.
Implemented update constants for gps
Merge branch 'widgetGui' of https://github.com/bluesat/owr_software into widgetGui
For #28, linked files
Fixed ros global variable naming clash
For #28, fixed names of functions and variables