Merge branch 'release/1.5.1' into develop
Upgrade to jclouds 1.5.3
Implement NodeHardware protocol
Implement compute-service-properties
Ensure node start exceptions are reported
Update to pallet 0.7.2
Update to jclouds 1.5.5
Activate the tag implementation for aws
Add logging to JcloudsNodeTag
Use only :image-id for template if specified

Stop other information in the template from preventing a match.
Update tests for latest 0.8
Disable tag provider outside of aws
Log node start failure exceptions
Update clojure version to 1.3.0
Don't remove template options when using :image-id

Fixes issue introduced in c8ad1e3879c898b13a41e1ea94b33c360dcab31a
Add default jcloud version in readme

Also adds brief comment on using other jclouds versions.
Add NodeProxy support
Remove slingshot and fix 0.8 tests
Fix node tagging support
Fix service-properties support in jclouds 1.5.6+