Added plugin for monitoring EC2VPCSubnet
Merge pull request #16 from ssOleg/develop

Added common datasource
Pep8 modifications
Merge fix
EC2 Snapshot component added
Added monitoring plugin for EC2VPCSubnet
EC2 Snapshots UI
EC2 Snapshots UI: linked subpanel added
Corrected Region plugin
Merge remote-tracking branch 'upstream/develop' into develop
EC2Instance UI
Merge pull request #17 from ssirushchyshyn/develop

Monitoring for EC2VPCSubnet component
Added a default threshold for StatusCheckFailed datasources