Mac-specific: Fix the shadow build
Aard: a little optimization during indexing
Fix crashes due to deletion resources owned by QNetworkAccessManager
Fix potential memory leak due to QNetworkReply may not deleted
Handle errors during configuration file loading
Use app.applicationName() instead of hardcoded "GoldenDict" in previous commit
Win-specific: Update zLib to last official version 1.2.8 (issue #299)
Merge pull request #301 from timonwong/master

Fix crashes due to deletion resources owned by QNetworkAccessManager