Merge pull request #353 from tyrcho/fixes

urgent fix : only open connection for images if not in local
another test for #345
Merge branch 'master' of https://github.com/HearthStats/HearthStats.net-Uploader
Merge pull request #355 from tyrcho/master

test for #345
Location of Hearthstone log file on Windows is now determined by where the HearthStone.exe process is running

Closes #339
Merge pull request #356 from gtch/master

Automatic determination of Hearthstone log file location on Windows
Updated version numbers to v0.17.4 (pre-tagging)
Updated version numbers to v0.17.4 (post-tagging)
better look for deck overlay
fix SI:7 card url