Changelog 2933 --> 2944

Features/Changes:
[Options]              renamed "Show video preview after AviSynth script selection" to "Automatically open video preview"
[VideoPlayer]          if that option is disabled the video preview will not show up automatically anywhere. Feature request #689
[AutoEncode]           use random intermediate file names to avoid issues with interfering jobs. Bug #934
[Main]                 added startup splash screen. The splash screen does not slow down the start of MeGUI.

Enhancements/Fixes:
[Video Encoder]        fixed not applying the proper bitrate for desired file sizes. Bug #974 (regression of 2930)
[L-SMASH Indexer]      fixed if a non-default lwi file is used, it was created twice and not always deleted. Bug #978 (regression of 2915)
[Muxer]                remember last accessed folder independent for the input folders and the output folder


Known Problems:
- Windows Vista and older are not supported
- Unicode is not supported
- M2TS bitrate calculator does not calculate correct values as the specifications are unknown

Full changelog: 
http://sourceforge.net/p/megui/code/HEAD/tree/megui/trunk/Changelog_full.txt?format=raw