docs(xml): Fixed NetworkedVarSettings SendTickrate documentation

fix: Fixes player prefab hash serialization on IL2CPP

fix: Fixed NetworkedVar loop not being ran on Client

fix: UNET transport task not completing

fix: Fixes Validation when no PlayerPrefab is present

docs(xml): Added XML documentation to Transport and SocketTasks

build: Fixed .releaserc

fix: Fixes Nullable struct type reading

Fixes: Unity-Technologies#271

Merge pull request Unity-Technologies#272 from Feesh7/fix-netobj-sorting

Fix NetworkedObject sorting in editor extension

fix: Fixed NetworkingManager time resync inspector