Showtime Media Player 4.2 and 4.3.200 beta 2-5-13

Merge branch 'release/3.6'
Clean up audio/subtitle streams after playback.
Update Dutch translation
Update lang/pt_PT.lang
Update Dutch translation
Merge pull request #72 from andreus-sebes/patch-1
Update lang/pt_PT.lang
Update lang/sp_SP.lang
Merge pull request #71 from aldostools/patch-2
Update lang/sp_SP.lang
Empty commit for next development track
thumbnails: Buffer should be no less than FF_MIN_BUFFER_SIZE bytes
Update Polish translation
Update Russian translation
Update Dutch translation

Bug #416: DVD Playback Error (dvdnav Error or black screen)
Bug #442: Video Image compressed horizontally
Bug #507: Failed .iso playback
Bug #662: Showtime 3.1.203 not playing .MP4 Movies
Bug #744: V/A out of sync after pause for some time
Bug #759: Subtitle fails to load
Bug #870: SMB:// - access denied
Bug #885: Wrong subtitle
Bug #886: showtime won't play 4.0 audio tracks
Bug #888: Subtitles wont be detected if a point is used in the name
Bug #890: MP4 Container issue
Bug #893: Showtime UI going into image viewing mode when there is only 1 image in the directory
Bug #894: Image mode showing image file which is not found in the directory
Bug #901: Headweb plugin does not ask again for credentials if it fails to auth
Bug #914: Showtime won't play 3.0 audio tracks
Bug #918: Only 1 Set-Cookie headers inestead of all in httpPost (and possibly httpGet)
Bug #923: ass subtitles support bad unstable
Bug #927: video segment selection crashes FAT ps3
Bug #929: Showtime won't start playback if subtitle is empty
Bug #932: Update plugins page for showtime
Bug #948: Back from pause audio / video are desynch.
Bug #956: External subtitles not listed if subtitles in MKV (UPnP)
Bug #959: Video titles displayed wrong.
Bug #961: Continuous Playback Problem
Bug #963: Black screen with audio starts then crashes system with certain x264 .mkv
Bug #965: Error when getting http file
Bug #968: three subtitles bugs
Bug #974: Autoplay feature causes "cpu to slow" on the next one
Bug #975: fflockmgr() potential memory leakage
Feature #501: Consecutive reproduction of files
Feature #530: Enable continius play
Feature #640: MP4 codec support
Feature #657: "AppedItem" Cookies
Feature #753: VOB file continuous playback?
Feature #864: Autoplay next movie
Feature #867: HTML Codes, Characters and symbols convertion
Feature #875: Video playlists
Feature #921: DVD FOLDER
Feature #926: continuous playback
Feature #930: Return location property in httpGet/httpPost
Feature #931: Create link to the latest testing build in download page
Feature #941: Item View Background
Feature #946: Reveal headers in httpGet request without loading file