README fixes
Check ssh configuration in init.

Add ssh init check.

Removed unused file.
enable gear build integration tests
README fixes
Added 'version' command to 'sti', 'gear' and 'switchns'
Make env test more reliable

Pre-build test images prior to integration test executions.
Create require container-active.target.wants directory on init.
Running save artifact command as a user
Return exit code 1 for failures

Return exit code 1 if any error is encountered during build or usage.

Move creation of temporary directory from STI main down into the build
and usage functions.

Fixes #135
Add build cmd to demo setup
Demo WIP
Update demo setup.sh
Add demo instructions
Tweak instructions
WIP: multi-host
Derek WIP for multihost
Change provisioner script to hit a docker registry on the host
Tweak instructions
Tweaks II
Make demo instructions README