Updated version to Procurement 1.8.1-dev
Removed unneeded stream decoding in HttpTransport
Updated model to clear items from initial stash request if first tab is hidden
Added support for items with legacy IconUrls
Updated unhandled exception notification message
Updated getHttpRequest to null proxy if not using proxy settings, updated getThreadHash to use StreamReader
Updated logging and error messages in model
Merge remote-tracking branch 'upstream/master'