Fixed quicksort implementation in algorithms lab framework.
Merge branch 'gh-pages' of https://github.com/beautyjoy/bjc-r into gh-pages
ForRepeatLoop Scaffolding Topic 4
draft of topic 2 with todos, etc
Merge pull request #1 from xtitter/gh-pages

draft of topic 2 with todos, etc
Merge pull request #5 from jmca93/gh-pages

Pull
topic 2 sequencing with TODOS
Merge pull request #2 from xtitter/gh-pages

latest topic 2 with TODOs
Got rid of %20
Merge pull request #6 from jmca93/gh-pages

fixing topic 2 (errant space)
cleaning up weird git changes hanging around
pared down the steps in lesson 2; fixed composing; cleaned up
draw-polygon; lots of images
Merge pull request #3 from xtitter/gh-pages

latest on lesson 2
Cleaning up git #5
error check to catch if there is a bad href in a <a> tag with
class="run"
added quiz on composing with buggy custom blocks.  Small fix to
composing-blocks.html
fixed a bad href attribute in <a> tag
Merge branch 'gh-pages' of https://github.com/jmca93/bjc-r into gh-pages
Merge pull request #4 from xtitter/gh-pages

added a step, and a few small fixes
Test Yourself: Random

Created quiz for Topic 2