Fix #4: include guards don't generate errors.
Merge pull request #22 from arxanas/include-guard-no-errors

Fix #4: include guards don't generate errors.
fix operator spacing for +=, -= (rewrite pending)
Update README.md
Update README.md
Merge remote-tracking branch 'stevemer/master'

Conflicts:
	README.md
	eecs183style/rubric.ini
	eecs183style/single_line_checks.py
	eecs183style/style_grader_functions.py
merge