Fixes and Improvements

Miscellaneous

* The memory leak, most visible when autopilot jumping long distances, has been plugged.
* The game client no longer randomly crashes because of network traffic.
* Character portraits that normally appear in the chat window are no longer deleted from the user's cache upon starting the game client.
* Users with EVE Voice enabled will no longer suffer from the disappearance of Corporation or Alliance chat channels.
* The In Game Browser works again with IGB-compliant websites.
* Cloaking no longer spams Logserver with stacktrace errors.