Merge branch 'release/2.1.0' into develop
added link
Created S3Bucket component class
Implemented modeling for S3Bucket component
Added EC2Reservation, EC2ElasticIP and EC2Image components
Merge remote branch 'vova/master' into develop
modeling VPN gateways, improved development infrastructure
Removed unnecessary imports
Small bracket modification
Merge pull request #2 from ssirushchyshyn/develop

S3Bucket component
merge fix
Merge pull request #3 from ssOleg/develop

Added EC2Reservation, EC2ElasticIP and EC2Image components
fixed VPN Gateway component
forgot to add deleted files to commit
merge
Merge pull request #4 from ssbunyk/develop

VPN gateway 2
Path reporter removed
Modified relations between components
Added modeling for elastic IPs and reserved instances
Added elastic IPs and reserved instances to test utils