* eet/src/lib/Eet.h,

	* eet/src/lib/Eet.h,
	* eet/src/lib/eet_lib.c,
	* eet/src/lib/eet_cipher.c,
	* eet/src/lib/Eet_private.h: Add a function to retrieve SHA1 of an associated Eet_File.

	Note: Sadly GnuTLS doesn't seem to provide a gnutls_x509_crt_verify_hash function.

git-svn-id: http://svn.enlightenment.org/svn/e/trunk/eet@38982 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33