Merge pull request #83 from birjolaxew/master

Queue notification + only one trade offer opens
Item popup hover fix & cached inventory button missing
SSL support
Font color fix for items on dark theme @ CSGL
ERR_INSECURE_RESPONSE fix for Conversion rates API
Local theme support (priority issues)
Merge branch 'master' of https://github.com/ncla/LoungeDestroyer