Merge branch 'release/0.12' into develop
prepare for next development iteration.
removed some fragile use of exceptions to determine if resoureces exist, added md5comparison of S3 files, some other behavioural changes
modularised deployment logic into separate build scripts
removed exception flow from CreateEnvironmentTask and implemented cnamePrefix specification
Merge commit 'bde311f' into develop

Conflicts:
	build.gradle
Merge pull request #1 from silasdavis/beanstalk-improvements

Elastic Beanstalk, S3, and build improvements

Merge commit 'bde311f' into develop

Conflicts:
	build.gradle
Merge branch 'develop' of classmethod.github.com:classmethod-aws/gradle-aws-plugin into develop
set version label to 0.13
Merge branch 'release/0.13'