Merge pull request #1 from hsgg/master

juliaondaveymacs.howto: How to compile julia on some Macs  (from hsgg)
Added files for Lab #5
Merge branch 'master' of github.com:eford/Astro585
Added code for solutions to question 2
Added HW6
Starting to add files for HW7
Added code for GPU exercise
Added sciprs for RCC
Added script for cloud exercise
Repalced Stats.skewness with skewness
Added example of parallelizing using map and darray
Merge branch 'master' of github.com:eford/Astro585
added .ssh/config
Lab6/HW6_Q2_planet_populations.jl: fix order of 'shapes' and 'scales'