Merge pull request #20 from Mirantis/feature

Fix counting of bugs for the last week/month
Merge pull request #21 from Mirantis/feature

Minor usability fixes
Add MOS images status page
Fix small issues with iso status
Improved Tests handling for MOS images
Fixed path to credentials file
Fix layout problem
Fixed issue with incorrect template
Fixed layout for main page
Fixed layout for main page
Fixed layout for main page
Added new links for all MOS images versions
Fixed issues with API methods for MOS images
Fixed issue with new tests
Fixed typo
Fixed typo
Fixed typobug