* camel/camel-mime-part.h (struct ):
	disposition is now a full GMimeContentField
	object.

	* camel/gmime-content-field.c: new file
	handle "type/subtype ;parameter=value ; parameter=value ..."
	BNF grammar elements
	(gmime_content_field_write_to_file): new func

	* camel/gmime-utils.c (gmime_write_header_pair_to_file):
	namespace change

Some work on mime stuff. Mime part can save itself into a file.
This stuff is boring.

svn path=/trunk/; revision=921