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
Merge pull request #6 from ssOleg/develop

Added details for instance type
fixed merge, removed pathreporters