Check that public key exists when creating machine

Fixes #4

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
bails out of virtualbox driver quickly if it doesn't exist.

Signed-off-by: Simon Thulbourn <simon+github@thulbourn.com>
bails out of virtualbox driver if VBoxManage doesn't exist

Signed-off-by: Simon Thulbourn <simon+github@thulbourn.com>
little typo in the usage strings

Signed-off-by: Damien DUPORTAL <damien.duportal@gmail.com>
Merge pull request #39 from dduportal/usage-typo

Quick PR : little typo in the usage
Merge pull request #40 from sthulb/vbox-driver-quick-failure

VirtualBox bailout
Document VBoxManage check

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Merge pull request #43 from bfirsh/document-checking-vboxmanage

Document VBoxManage check
Merge pull request #33 from bfirsh/check-that-public-key-exists-when-creating-machines

Check that public key exists when creating machine
Add Travis badge and IRC channel to readme

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Fixed Remove() method in Azure driver

Fixed Remove() method in Azure driver

Signed-off-by: Ruslan Gabitov <ruslan.gabitov@live.com>
Merge pull request #49 from bfirsh/add-badges-and-irc-channel

Add Travis badge and IRC channel to readme
Merge pull request #44 from MSOpenTech/master

Fixed Remove() method in Azure driver
Build and test using Docker

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Merge pull request #55 from bfirsh/build-and-test-using-docker

Build and test using Docker
Remove go get from build instructions

No we're building inside Docker, you don't need a GOPATH

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Merge pull request #57 from bfirsh/remove-go-get-from-build-instructions

Remove go get from build instructions