Fixed horrible instructions
added instructions for fetching changes
removed broken link
updated broken link for comparing websites blog
fixed image link
fixed broken link
removed bad link and replaced
fixed formatting
added submission instructions
updated to release format
took out instructions not to do week 2
emphasized cultural assignment first
fixed wrong repo name
fixed submission link
Merge remote-tracking branch 'upstream/master'
pulling upstream changes: instruction revisions, updated links, etc.