Working on HOFs practice lab - mostly finished.
Working on HOFs lab. One page left to write.
Updating starter and dev files.
Various fixes to lab.
Fixing grammar/typos in later exercises.
Removing mount doom reference.
Few small wording/grammar fixes.
Merge pull request #144 from peterasujan/gh-pages

PETER YOU DIDN'T ADD THESE TO THE REPO! :O
Merge pull request #143 from lmock/gh-pages

Distributed Computing Lab Fixes
Distributed computing clarification to starter file explanation