solves URL. Fixes #103
course 3: lesson 2: fix link
Merge pull request #104 from CartoDB/103-error_link

solves URL. Fixes #103
Minor changes
Moved to reflect document instructions
Latest updates
Revised templates
Fixed broken link
Merge pull request #105 from CartoDB/lesson1LinkFix

Fixed broken link
Merge branch 'master' into cdbjs_lesson3
Latest draft