Mumble 1.3.1

What's new in this version:

Security:
- Fixed: Potential exploit in the OCB2 encryption

ICE:
- Fixed: Added missing UserKDFIterations field to UserInfo => Prevents getRegistration() from failing with enumerator out of range error

GRPC:
- Fixed: Segmentation fault during murmur shutdown

Client:
- Fixed: Crash when using multiple monitors
- FIxed: Don't send empty message from clipboard via shortcut, if clipboard is empty
- Fixed: Talking indicator being able to freeze to indicate talking when self-muted
- Fixed: High CPU usage for update-check if update server not available
- Fixed: DBus getCurrentUrl returning empty string when not in root-channel
- Fixed: Small parts of whispering leaking out to normal talk
- Fixed: Last audio frame of normal talking sent to last whisper target instead when using VoiceActivation
- Fixed: LAN-icon not found in ConnectDialog
- Improved: Set maximal vertical size for User Volume Adjustment dialog
- Improved: Don't send empty data to PulseAudio
- Improved: Use the SRV resolved port for UDP connections
- Improved: Manual Plugin UI
- Improved: Don't start Jack server by default
- Improved: Overlay doesn't hook into all other processes by default
- Improved: Wait longer before disconnecting from a server due to unanswered Ping-messages

Server:
- Fixed: Possibility to circumvent max user-count in channel
- Fixed: Rate-limit implementation susceptible to time-underflow
- Fixed: OpenSSL error 140E0197 with Qt >= 5.12.2
- Fixed: VersionCheck for SQL for when to use the WAL feature
- Fixed: Wrong database encoding that could lead to server-crash
- Fixed: DB crash due to primary key violation (now performs "UPSERT" to avoid this)
- Improved: The fields in the Version ProtoBuf message are now size-restricted in order to avoid attacks that can render another client unresponsive

Windows Installer:
- Improved: Mumble icon (now properly displayed)