Added some comments
issueID #9
Turned off printing from AbstractSLAMProblem. Made run_simulation_dennis actually return data.

Implemented initial test case for EKF SLAM using the new simulation.

IssueID #9
Fixed a bug where the array of true robot positions also included starting position (which it shouldn't, since we always declare that as being (0, 0, 0)
testing
Fixed bug in EKF SLAM output
Fixed bug where robot received perfect information. IssueID #9
preparing experiments
Added experiments and fixed some small bugs.
issueID #9
testing
FIXED EKF SLAM! It's no longer bugged!! (I think)

Stuff still goes wrong when landmarks are incorrectly associated, but that is the ONLY case in which things go wrong. So we really need to think about proper landmark association.
Merge branch 'refs/heads/feature-9-experimentSLAM' into develop