v0.3.0-rc2

Changes since v0.3.0-rc1:

Dave Henderson

Amazon EC2 - Fixing how the Monitoring.Enabled field is set for spot requests

Evan Hazlett

add nathan to maintainers
bump: version 0.3.0-rc2
docs: add note about changing ssh user for provider image
docs: more info about supported base operating systems; removed change log from docs
fix issue with native ssh; fix tty allocation for redhat
redhat: use engine version 1.7rc1
support specifying swarm image and docker versions

Guillaume Giamarchi

Fix typo in OpenStack driver documentation
Handle possible error in WaitForSpecific func
Stop polling the instance when status is ERROR

Jan Broer

libmachine: wait for instance start before polling SSH

Koichi Shiraishi

Update AMI to release 20150603

Nathan LeClaire

Add some helpers and patch ups to the integration tests
Refactor integration tests

Truman Ling

Add option parameter availability_zone

Vincent Bernat

exoscale: add the appropriate port to make Swarm work
exoscale/doc: remove ability to choose a keypair
exoscale/doc: specifying URL endpoint is not mandatory
exoscale: ensure we sleep a bit while waiting for the VM to be ready
exoscale: move job waiting into a separate function
exoscale: update egoscale binding for 32-bit compatibility
exoscale: use the new utils.WaitForSpecificOrError function to wait for job to finish
test: don't invoke docker-machine directly