Updated preview mode sprite
base64-encoded background-images to reduce number of requests
#38 Removed questions callout from account tab
#38 Updated changelog
#37 Add background bars to indicate 100% to peity bar charts that indicate percentages
#23 devided config on user/system parts
#23 devided config on user/system parts
Merge pull request #39 from laterpay/feature/23_updating_the_config_file_functionality

Feature/23 updating the config file functionality
merge #20 with master