Taglib: support for wma/ape and improve mp4 support

Notably for Cover Art support

(cherry picked from commit c21bb29ae63d827b24396a5fd0d024768709dd85)
(cherry picked from commit 277eb4cfbc9c7b37752b781029899177caade0dd)
(cherry picked from commit c405205e9a82ad0b1b63556f718580ef8ccd0205)
(cherry picked from commit 01cf70073fb52a2a8a7e504eaa2fe8a22c9e382b)
(cherry picked from commit b4b357ee09e5a99373b99d5c609bf832f484f748)
(cherry picked from commit 599eee103d3b6d597b8e5a4f3c9cd86df931e7cf)
(cherry picked from commit d158270ed7e2a3c1aea9fa137e65a42600e94f44)
(cherry picked from commit 57333f5920db4a41a2d9a7965bb4d7a1df7e61c2)
(cherry picked from commit 449b78e85a7867e38dc1fafe1b10f8339faea418)
(cherry picked from commit 7bdcc742148598bb17ebfb2eaeb4eeb378d13d81)
(cherry picked from commit 10ca2d59677fc9e6d551f420fe87887b050f354a)
(cherry picked from commit 4bdaae499b63956393104639300747fc25de28af)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

configure.ac

@@ -1741,9 +1741,6 @@ AC_ARG_ENABLE(taglib,
       [ VLC_ADD_PLUGIN([taglib])
         VLC_ADD_LIBS([taglib],[$TAGLIB_LIBS -lz])
         VLC_ADD_CXXFLAGS([taglib],[$TAGLIB_CFLAGS])
-        AC_LANG_PUSH(C++)
-        AC_CHECK_HEADERS(taglib/mp4coverart.h)
-        AC_LANG_POP(C++)
       ],
       [AC_MSG_WARN(TagLib library not found)])
   ])