added link
modeling VPN gateways, improved development infrastructure
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
Merge fix
Merge pull request #5 from ssirushchyshyn/develop

Modeling for reserved instances and elastic IPs
Added details for instance type
merge fix