Merge pull request #110 from peterasujan/gh-pages

Various Fixes for Data Lab
fixed missing image in binary number.html and added sanp xml file for lab 12
Merge pull request #115 from aaaschmitt/gh-pages

fixed missing image in binary number.html and added snap xml file for la...
fixed 3 typos pointed out in lab 14 errors
I fixed a tyop in the even numbers file for recursive reporters lab
Merge pull request #116 from aaaschmitt/gh-pages

fixed 3 typos pointed out in lab 14 errors
Allows paths relative to bjc.rootURL in .topic files. Fixes #67. PUSH10