Move crypto functions from nm-applet to libnm-util.

	* libnm-util/nm-setting-8021x.c (nm_setting_802_1x_set_ca_cert)
	(nm_setting_802_1x_set_client_cert)
	(nm_setting_802_1x_set_phase2_ca_cert)
	(nm_setting_802_1x_set_phase2_client_cert)
	(nm_setting_802_1x_set_private_key)
	(nm_setting_802_1x_set_phase2_private_key): Implement. Given a certificate
	file (or private key and it's password), read the certificate data.

	* libnm-util/crypto_nss.c:
	* libnm-util/crypto_gnutls.c:
	* libnm-util/crypto.[ch]: Move here from nm-applet.

	* configure.in: Check for NSS and gnutls here (moved here from nm-applet).

	* system-settings/plugins/ifcfg-suse/parser.c (read_wpa_eap_settings):
	Imlement WPA-EAP configuration reading from sysconfig.


git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@3673 4912f4e0-d625-0410-9fb7-b9a5a253dbdc