update requirements for receiving the checkpoint.
Add checkpoint for jora0003
Add checkpoint for gao0141
added law0102
add checkpoints for schr0082 and alru0011
Add notes for getting started.
Update prac1checkpoints.txt
updated name on grading.
add notes for prac4.
create placeholder for prac5
Add task for today's prac.
Clearing Issue #59
Clearing Issue #63
Merge pull request #64 from law0102/master

added law0102
Clearing Issue #65
Merge pull request #66 from pars0098/patch-1

Update prac1checkpoints.txt
Clearing Issue #68
Clearing Issue #69
Clearing Issue #71
Clear Issue #72