Repeat HW01 due date for clarity
Merge branch 'master' of https://github.com/jennybc/stat540_2014

# By Shaun Jackman
# Via Shaun Jackman
* 'master' of https://github.com/jennybc/stat540_2014:
  Seminar 6: Update the header and data paths
  Change "interpretting" to "interpreting"
  Add seminar 6