adding avMeta application
remove output messages
remove metadata display and minor clean
clean Metadata API
update Desc structures and input for AudioDesc
clean memory: re-init AVPacket
adding build of static library
remove builds warning
clean In/Out File
simpify API using InputStream
Merge branch 'master' of github.com:MarcAntoine-Arnaud/avTranscoder

Conflicts:
	app/SConscript
	src/AvTranscoder/InputFile.cpp
start adding audio decoding
modifications to build with MSVC 10