inlined two more docs factored gstpadtemplate out of gstpad

inlined two more docs factored gstpadtemplate out of gstpad

Original commit message from CVS:
* docs/gst/gstreamer-sections.txt:
* docs/gst/tmpl/.cvsignore:
* docs/gst/tmpl/gstpad.sgml:
* docs/gst/tmpl/gstpadtemplate.sgml:
* gst/Makefile.am:
* gst/gstpad.c: (gst_pad_class_init), (gst_pad_dispose),
(gst_pad_finalize), (gst_pad_set_pad_template):
* gst/gstpad.h:
* gst/gstpadtemplate.c: (gst_pad_template_get_type),
(gst_pad_template_class_init), (gst_pad_template_init),
(gst_pad_template_dispose), (name_is_valid),
(gst_static_pad_template_get), (gst_pad_template_new),
(gst_static_pad_template_get_caps), (gst_pad_template_get_caps),
(gst_pad_template_pad_created):
* gst/gstpadtemplate.h:
inlined two more docs
factored gstpadtemplate out of gstpad