library motor code
when Andrew's memory code is uncommented, uncomment the code in this file
moved stuff from robot_test into libsim.clibsim now contains the timer (pause/resume) stuff
Also commented andrew's code because it broke the build
Updated makefile to compile binaries for simulator.
Simulator library compiles but doesn't do anything.
All library files added, unimplemented.
Added unimplemented message to simulator library.
Started working on library... Wrote about half of the stubs.