implemented check for possible discount with reserved instances
Merge remote branch 'vova/develop' into develop
added reserved instance modeling
Merge remote branch 'vova/develop' into develop
merge
fix modeling
test1 done
test2 for reserved instances monitoring util done
fix ui
updated event classes
events for unreserved instances done
added monitoring of unused reserved_instances
Merge remote branch 'vova/develop' into develop
fixed datasources
cleaning in branch
Merge pull request #29 from ssirushchyshyn/develop

EC2Image: status and block device properties fix
Fixed bug related to date display
Merge fix
Merge pull request #30 from ssOleg/develop

Fixed bug related to date display
Fix for BUG_20