added spot instance ScalingGroup
runadapter now uses ScalingGroup
added periodical tasks to clean up dangling spot requests and replace bids
updated logging
updated to use new ScalingGroup configuration
minor fixes
minor fixes
updated docstrings
updated sample config
started writign scalinggroup unit tests
added unit tests for scalinggroup
more unit tests for scalinggroup
more unit tests for scalinggroup
doc changes
documentation
documentation
log levels
minor documentation updates, and bumped version to 1.1.0
updated requirements
fixed merge conflicts