IFrame and DummyFrame moved to newgui package

Conflicts:
	src/main/java/net/pms/PMS.java
	src/main/java/net/pms/dlna/RootFolder.java
	src/main/java/net/pms/logging/FrameAppender.java
Removed obsolete MPlayerAudio, MPlayerWebAudio and MPlayerWebVideoDump
engines

Conflicts:
	CHANGELOG.txt
	src/main/external-resources/PMS.conf
	src/main/java/net/pms/dlna/CueFolder.java
	src/main/java/net/pms/encoders/MPlayerAudio.java
	src/main/java/net/pms/encoders/MPlayerWebAudio.java
	src/main/java/net/pms/encoders/MPlayerWebVideoDump.java