bitstream: new package

BiTStream is a set of headers to ease processing of mpeg ts
streams. It is used by dvblast.

[Thomas:
 - add missing hash file.
 - add missing BITSTREAM_LICENSE_FILES information.
 - rewrap Config.in help text.
 - use lowercase name for the package in the comment header in
   bitstream.mk.]

Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
diff --git a/package/Config.in b/package/Config.in
index 8e3c64a..c2f12f3 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -953,6 +953,7 @@
 endmenu
 
 menu "Multimedia"
+	source "package/bitstream/Config.in"
 	source "package/libass/Config.in"
 	source "package/libbluray/Config.in"
 	source "package/libdcadec/Config.in"