Add script to check images and show slide count

Add script to check images and show slide count

update docs for new slide deck generator

Last updates for dod msp

Fixing missing stack name

PYCON final check!

OSCON final

Rename docker-compose files to keep .yml extension (fixes jpetazzo#69)

Update describe-instances for awscli 1.11 (thanks @mikegcoleman for f…

…inding that bug!)

Add slides about rockstars