Added an input from memory access.

It allows to inject one ES (raw or compressed) into VLC from a libvlc user.
If multiples ES are needed, it is sufficient to use slave inputs.

modules/access/Modules.am

@@ -42,6 +42,7 @@ SOURCES_access_alsa = alsa.c
 SOURCES_access_oss = oss.c
 SOURCES_access_mtp = mtp.c
 SOURCES_access_sftp = sftp.c
+SOURCES_access_imem = imem.c
 
 libaccess_rtmp_plugin_la_SOURCES = \
         rtmp/access.c \
@@ -62,6 +63,7 @@ libvlc_LTLIBRARIES += \
 	libaccess_ftp_plugin.la \
 	libaccess_fake_plugin.la \
 	libaccess_rtmp_plugin.la \
+	libaccess_imem_plugin.la \
 	$(NULL)
 
 libxcb_screen_plugin_la_SOURCES = screen/xcb.c