Emulating functions tested, and extended runtests.sh to check exit codes instead of output.
Adding the testing code that I missed earlier, and fixing the article link.
fix analyzer reports

BUG=

Review URL: https://chromiumcodereview.appspot.com//13392018
Fixing link.
Merge pull request #52 from timothyarmstrong/testing-emulating-functions

Emulating functions tested, and extended runtests.sh to check exit codes instead of output.
Merge branch 'master' into jjinux

Conflicts:
	runtests.sh