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'
Merge pull request #145 from pmorie/readme

README fixes
Merge pull request #143 from mfojtik/version

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.
Merge pull request #150 from mrunalp/bug/create_systemd_dir

Create required container-active.target.wants directory on init.
Merge pull request #149 from ironcladlou/env-test-fixes

Make env test more reliable
Merge pull request #105 from mrunalp/dev/ssh_init_check

Check ssh configuration in init.
Merge pull request #137 from bparees/enable_gear_build_test

enabling gear build integration testing
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
Merge pull request #148 from ncdc/sti-exit-code

STI - return exit code 1 for failures
Merge pull request #147 from jhadvig/user_command

Running save artifact command as a user
Add build cmd to demo setup
Demo WIP
Update demo setup.sh