Show error window for unhandled exceptions

Use exception hook from main thread for all threads

Use signal to delegate error window creation to GUI thread

Add more information to issue template

Update to PyQt5

Switch from Github to REST-Service

Report to web service instead of opening the browser

Fix imports

Change crashhub URL to electrum.org server

Explain that exception hooks are only used in the Qt Gui now

electrum

@@ -87,7 +87,8 @@ if is_local or is_android:
     imp.load_module('electrum_plugins', *imp.find_module('plugins'))
 
 
-from electrum import bitcoin
+
+from electrum import bitcoin, util
 from electrum import SimpleConfig, Network
 from electrum.wallet import Wallet, Imported_Wallet
 from electrum.storage import WalletStorage
@@ -296,8 +297,10 @@ def init_plugins(config, gui_name):
     from electrum.plugins import Plugins
     return Plugins(config, is_local or is_android, gui_name)
 
-if __name__ == '__main__':
 
+if __name__ == '__main__':
+    # The hook will only be used in the Qt GUI right now
+    util.setup_thread_excepthook()
     # on osx, delete Process Serial Number arg generated for apps launched in Finder
     sys.argv = list(filter(lambda x: not x.startswith('-psn'), sys.argv))