OBS Multiplatform 0.13.1

Changes:
* Fixed another bug where audio could shut off for sources under certain circumstances
* Fixed a bug where if the media source's "restart when active" setting was enabled, it would start up active even in an inactive scene
* Fixed a bug where rotation would not be preserved when transitioning in Studio Mode
* Fixed a bug where the scene would always be duplicated regardless of whether scene duplication mode is on if you turn on Studio Mode
* You can now right-click things in the preview without it trying to perform a selection action (preserves selection on right-click)
* The program now uses FLAC for audio when using lossless mode in simple output

OBS Multiplatform 0.13.1 Release Candidate 1 Changes:
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* Fixed a case where audio would completely stop playing from certain sources
* Fixed a case where audio for certain sources would go out of sync
* Fixed multiple cases where buffering would increase unnecessarily
* Fixed an issue where outputs could potentially start up out of sync
* Fixed an issue where multi-track outputs would take many seconds to start up
* Fixed a bug where multi-track audio outputs would potentially not be in sync
* Fixed a bug with the output (program) view in studio mode where it would not update its resolution when resolution settings have been changed
* Fixed a bug (that has been around since before 0.13.0) where if you start a secondary output with already-active encoders, it could go out of sync if started very shortly after the first output.  Secondary outputs started with already active encoders will now always be in sync
* Fixed a crash that could happen when transitioning under certain circumstances
* Fixed the "del" button not working on scenes/sources

OBS Multiplatform 0.13.0 Changes:
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General Changes:
* Added "Studio Mode", which allows editing scenes/sources without changing the output (also known as Preview/Program mode)
* Added scene transitions (currently only had time for just fade/cut, many more transitions to be added later)
* Added support for animated gif playback in the image source and even the mask/blend filter
* Added an option to the media source to allow the ability to restart the media file when the source becomes active (shown on output)
* Added options to settings -> general to add confirmation dialogs for starting/stopping stream (was requested because sometimes people can accidentally click start/stop streaming when they don't mean to)
* Added an "Always On Top" option to file menu
* Added the ability to adjust the size of the bottom section of the main window
* Added logging of active monitors to logs when using Direct3D
* Fixed the annoying way in which the mask/blend filter would always stretch the mask/blend image by default, discarding aspect ratio.  It now centers on the source and preserves aspect ratio.  An option has been added to stretch to discard aspect ratio if desired.
* Fixed the media source file browse dialog so that filters for actual media files rather than just listing all files
* Fixed a bug where the output resolution would always select an improper resolution if the base resolution becomes invalid
* Fixed a bug where right-clicking on a source in the preview and going to properties/transform would get the properties/transform of the wrong source
* Fixed a bug where if the program was started and the current global desktop/mic audio audio devices in audio settings couldn't be found, audio settings would erroneously select "disabled" even though they were still active.  It now displays "[Device not connected or not available]".
* Fixed a bug where when starting the program for the first time, no default scenes would be present
* Fixed a crash that would happen if you had a hotkey set to start both stream/recording at the same time
* Fixed a crash that could happen under certain circumstances if you were streaming/recording at the same time
* Fixed a bug where starting streaming and then starting recording quickly after or vice-versa would cause the second one to go out of sync
* Improved logging of lost frames due to rendering, encoding, or network lag
* Completely rewrote the audio subsystem, which enables the ability for transitions, minimizes audio buffering, and removes the need for the "audio buffering time" setting
* Cleaned up the properties of the media source: now defaults to file output mode, uses reasonable defaults
* Moved renderer/adapter from video settings to advanced settings because they're not something users should typically mess with
* The renderer/adapter options are now hidden when they're not applicable (hiding both options on OSX, linux, and hiding adapters when OpenGL is selected on windows)
* The status bar now displays a warning if encoding is overloaded suggesting the user turn down settings

Windows Changes:
* Fixed a bug with game capture where OpenGL games wouldn't capture properly under certain circumstances
* Fixed a bug where Darkest Dungeon wouldn't capture/render properly

Mac Changes:
* Improved rendering performance by disabling OSX BeamSync while the program is active (can be disabled/enabled in advanced settings)

Linux Changes:
* Testing a possible fix to an issue where window capture rarely/randomly causing segfaults (usually on exit)
* Improved rendering performance by fixing an issue where the program was rendering with v-sync
