Add instructions about build script to README

Signed-off-by: Nathan LeClaire <nathan.leclaire@gmail.com>
Merge pull request #126 from nathanleclaire/readme

Add instructions about build script to README
used ubuntu-14-04-x64 for DO

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
use standard ubuntu 14.04 amd64 ami for ec2

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
refactored docker install for ec2 and DO; both using standard ubuntu 14.04 amd64

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
refactor azure provider to use ubuntu

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
hide install output unless debug

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
use driver for installdocker

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
refs #124: using cloud-init for install; WIP: DO not working

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>