Disable g_type_init for glib >= 2.35
Use the default cipher suite of GnuTLS and disable compression

According to Nikos from GnuTLS, deflate can only cause harm:
http://lists.gnutls.org/pipermail/gnutls-devel/2013-August/006428.html
Implemented lm_ssl_set_cipher_list

This enables the application to choose the cipher suites which are used by
openssl or gnutls