Merge pull request #18 from ssOleg/develop

Added a default threshold for StatusCheckFailed datasources
Fixed bug 6, 7
Added state remodeling for subnets and zones
Merge fix
AWS moddeling UI
Merge remote branch 'upstream/develop' into develop
Fix for bug 8
Merge pull request #19 from ssirushchyshyn/develop

State remodeling for subnets and zones + bug 8
Small fix for AWS UI
Merge remote branch 'upstream/develop' into develop
Merge pull request #20 from ssamartyn/develop

AWS UI
Merge remote branch 'vova/develop' into develop
Corrected name for EC2ElasticIP