minor fixes on ISO target
added new menu template with mirror effects
fixes on some problematic / crashing files

- 0002044: [Feature Request] Add new template: Black Mirror
- 0002037: [Bug] Bad preview & conversion with rawvideo avi movie file.
- 0002042: [Bug] Temp. disk space used by Convertxtodvd and ISO File generation
- 0002041: [Bug] bad setting concerning ISO format
- 0002040: [Bug] by default, first dvd writer should be selected, not iso
- 0002023: [Crash] Crash during conversion of some MKV's