OBS Multiplatform 0.6.1

General Changes:
* Added a remux option in the menu to allow remuxing file formats on the fly [Palana]
* Added an option to disable constant bitrate (if wanting to just record for example) [Jim]
* Removed the use of a specific OpenGL extension which would cause many systems to fail to load, improving compatibility certain older nvidia GPUs and many intel integrated GPUs [Jim]
* Significantly improved the libobs API to be more consistent and use better type handling [Jim]
* Made major improvements to timing handling of async video sources [Jim]
* Added dropped frames to log files [Jim]

Mac specific changes:
* Added an auto-update framework for mac [Palana/Faruton]
* Added syphon capture source [Palana]

Windows:
* Completed the DirectShow plugin, which includes support for capturing and decoding major USB 2.0 devices such as Hauppauge HD-PVR 1, 2, Rocket, as well as the Roxio devices. [Jim]
* Removed dependency on specific D3DCompiler DLLs so that the need to get the DirectX SDK is no longer necessary [Jim]
