Typo
Put HTML directly in announcement
Update PDF lectures
Don't save zip file
Update individual slides
Remove newlines
Add lecture on coding standards
Merge branch 'rprog'

* rprog:
  Add lecture on coding standards
  Remove newlines
  Update individual slides
  Don't save zip file
  Update PDF lectures
  Put HTML directly in announcement
  Typo
Merge pull request #74 from rdpeng/master

Added lecture on coding standards