You can clone with
HTTPS or Subversion.
Add link to Jim Weirich's version
Add README for chapter 03 about memory management
Add link to RubyMotion cookbook
Specify file dependencies for 02_RandomPossessionsGold
Add Gold Challenge for 02_RandomPossessions
Actually run the Ruby code inside a RubyMotion app to be sure it's OK.
Thanks for noticing that @mattgreen
Add link to original exercises in BNR site
Add icons to 01_Quiz
Add 01_Quiz example