Prac6 Leed0019

https://github.com/leed0019/2014SE3/blob/master/pracs/Prac6.md
add prac 8 and sample devious dates.
added name to checkpoint list.

https://github.com/Edme0005/se3prac3
50+ commits. although little functionality... 
i commit nearly as often as i save.

tilt vector and rotate work. however no tilt board functionality implemented or tested.
-please let me know if these are required.
Merge branch 'master' of https://github.com/gardners/2014SE3
Merge pull request #108 from Edme0005/patch-4

added name to checkpoint list.
Merge pull request #107 from leed0019/patch-3

Prac6 Leed0019
Merge branch 'master' of https://github.com/gardners/2014SE3
Update prac3checkpoints.txt
Update prac6checkpoints.txt
Update prac3checkpoints.txt
Update prac4checkpoints.txt
Merge pull request #98 from andresva700/master

Checkpoint Number 5
Update prac4checkpoints.txt
Update prac3checkpoints.txt
Update prac4checkpoints.txt
Update prac4checkpoints.txt
Update prac3checkpoints.txt
Update prac1checkpoints.txt
Update prac3checkpoints.txt
Update prac4checkpoints.txt