implemented check for possible discount with reserved instances
Merge remote branch 'vova/develop' into develop
added reserved instance modeling
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
fixed datasources
cleaning in branch
Merge pull request #30 from ssOleg/develop

Fixed bug related to date display
Fix for BUG_20
Merge branch 'develop' of https://github.com/ssvsergeyev/ZenPacks.zenoss.AWS into develop
added tests
merge
removed "reservation" component
Merge branch 'reserved_instances' into develop