white space fixes

Did most by hand rather than project wide - didn't want to touch files
we had not made logical changes to as part of PR
https://github.com/greese/dasein-cloud-core/pull/153
line break and line break changes

conforming to Dasein code style
more line break changes

confirming with casein code style
#631

Auto Scale Groups Filtering
#631 auto scaling group filtering. backwards compatibility is done for tests
Merge pull request #154 from TheWeatherCompany/develop

white space and formatting fixes