Changes

Revert "proofread Andrew's thesis chapters", changes saved locally.

This reverts commit 4ed7946e1c3092b517d444219a8ec8caf85a8b5a.

Andrew MMath: Folded in changes to existing. (1/3 from this review)

Andrew MMath: Addressed most of the changes in intro and worked on the new background section. (2/3 for this review.)

Andrew MMath: Folded in features feedback and redid the reraise comparison. (3/3 for this group.)

Revert "proofread Andrew's implement, performance and future chapters", changes saved locally.

This reverts commit b6749fdf08185c0beb48a79dbf340a15f5b3b943.

Andrew MMath: Update the first three chapters using Colby's comments.

Andrew MMath: Folded in Peter's feedback on future. (4/6 files done.)

Andrew MMath: Performance feedback is a bit stranger as the content is still unknown. (5/6 files done.)

Remove psutil from test.py which doesn't seem needed

FullBuild now uses gcc-10 instead of gcc-5 and jenkins understands the existance of gcc-11

Fixed rseq so it is initilizaed even for non-processor threads.

Minor documentation

Changed ready-queue to use -1 for empty ts.

Fixed warnings

Fixed cpu work stealing to properly fall back on other nodes.

Andrew MMath: Folded in feedback into the implement chapter. (6/6 files done.)

Andrew MMath: Some feedback for additions to implement went to features instead.