VidBatch

- Added Trim task. - Added Export Images task. - Resize task: added the ability to select the resizing - by specified values or aspect ratio. - Resize task: added ability to save entered values to the Combobox list. - Save As task: Added option to remove subtitles. - Save As task: Changed the default values for some parameters. - Save As task: Fixed saving video with streams of other types besides video and audio. - Save As task: Fixed problem with processing video streams with unsupported codecs. - Save As task: fixed bitrate sizes for video and audio (from bytes to Kbps). - Watermark Image task: many minor fixes. - Watermark Image task: Fixed a memory leak. - Lots of minor fixes for the interface and tasks.