configure.ac: comment about refining the xml deps

configure.ac: comment about refining the xml deps

Original commit message from CVS:
* configure.ac:
comment about refining the xml deps
* docs/manuals.mak:
comments about moving away from jade for docs
* gst/gst.c:
recommit the ifdefs to use the binary registry
* gst/gstbin.c: (gst_bin_change_state_func):
this break is obsolete
* gst/gstelementfactory.h:
better GST_ELEMENT_DETAILS docs, add comment about translation
* gst/gstinfo.h:
remove eol slash
* gst/gstobject.c: (gst_signal_object_get_type):
add G_UNLIKELY as usual
* gst/gstpad.c: (gst_pad_event_default):
add fall trhu comment
* gst/gstregistrybinary.c: (gst_registry_binary_write),
(gst_registry_binary_initialize_magic),
(gst_registry_binary_save_string),
(gst_registry_binary_save_pad_template),
(gst_registry_binary_save_feature),
(gst_registry_binary_save_plugin),
(gst_registry_binary_write_cache),
(gst_registry_binary_check_magic),
(gst_registry_binary_load_pad_template),
(gst_registry_binary_load_feature),
(gst_registry_binary_load_plugin),
(gst_registry_binary_read_cache):
comment typo and formatting
* gst/gstutils.c: (gst_element_state_get_name),
(gst_element_state_change_return_get_name):
remove obsolete breaks
* gst/gstvalue.c: (gst_date_get_type), (_gst_value_initialize):
add FIXME 0.11 and remove cpp comment