Add lab7
Merge branch 'master' of github.com:amplab/datascience-sp14
Update lab7
Add README
Added draft of figures for lab 8
Added png versions of images
Add lab6 solutions
Add lab2 solutions
Added lab 8
Fixed typo and added app UI
Add lab 4 solutions
Add lab7 solutions
Added files for HW3
Added homework
Fixed formatting of text input
Lab 8 solutions
Fixed DIY join section, line breaks in solutions.
One final line break issue
Backtic removal
Adding lab3 and lab5 solutions.