Added support for identity auth in Azure driver

Added support for identity auth in Azure driver

Signed-off-by: Ruslan Gabitov <ruslan.gabitov@live.com>
Fix Azure driver with gofmt

Fix Azure driver with gofmt

Signed-off-by: Ruslan Gabitov <ruslan.gabitov@live.com>
Add release script

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Added comment to Azure driver

Added comment explaining retries in hackForIdentityAuth() method

Signed-off-by: Ruslan Gabitov <ruslan.gabitov@live.com>
Merge pull request #70 from bfirsh/add-release-script

Add release script
Update godo to 0.5.0

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Update goauth2

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Update libtrust

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Update logrus

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Merge pull request #78 from bfirsh/update-godeps

Update godeps
Ensure `script/validate-gofmt` is executed with bash

While Travis does that, a user just running the script will get an
error.

Signed-off-by: Vincent Bernat <Vincent.Bernat@exoscale.ch>
Merge pull request #81 from exoscale/fix/shebang-validate-gofmt

Ensure `script/validate-gofmt` is executed with bash
Merge pull request #64 from MSOpenTech/master

Added support for identity auth in Azure driver
initial work on aws for machine; huge thanks to @nathanleclaire for the
initial implementation

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