Revert SSL related commits

This reverts the following commits:

	532b0ece8cf966e124060a9efab4bf10b864b00f SSL handshake final validation
	d7892593ae84c525b452c7c5fe58fd463da4e939 Update documentation on TLS modes
	2d15e79a6d68aa0d8174fd4495d502a6056814f9 SSL check client certificate
	de7cbeabfe1032a79cc99c7b3f970fafc947367b SSL check server certificate
	e73b1861c8b00446c6b2327ac1310d40991c11d7 SSL check server hostname against certificate
	db582b9c4f97dc71fe5c43867e9fd95eba83e862 SSL correctly build the context
	827b9eb6f12c22bb35340fbc582dfdd0132e4817 SSL introducing new simplified modes of operation
	4a600380c950cc9d2956e41ee347b617aa0a2ba7 Bubble down the hostname for TLS cert validation
	6926ea961037b0eea615fdc52c7c3bba10f90f42 Ergonomic mode attribute in *Tls.xml files
	02ef085016fbd7e21304448be25cb4c6246ab2e2 Check SSL certificates
	c3a01df6b631227c5765a6669cc50186accdb877 Add cast to bind address parameter
	de67061ff787206b589c76aa365719bdc525b06e Ignore locally generated files
	2811d3dc8ea080ebaaa8f433afd73c8027450b97 Fix compilation errors
	bfaf0344308025657afd4b513bf62a7fe9489722 Fixed *printf mismatched formaters/parameters
	0e590cf13464fd3c78d0ec6576a7a347fc0d68d9 Avoid using system()
	94fefb2e795c58a8f7e8bcf06c61e424ef03760d Fix potential buffer overflow in base_64()
	946ea07cc4460bcf12b89c49a2cc30202a4c31df Attempt to fix DOS with infinite loop
	4839c27e255a914eda8fe306f685cea0cad736c5 setsockopt() options cannot be OR'ed
	e04473fa2e5f412d4fc3c8cff72bff3341c8e02b Avoid double free() on (struct rest_server).active
	fb3bc7771583f76715c6317cdf8dde3bb31a200d Ease double free() debug
	27967412f3df3750085e15529ad7f4ee4e537766 Use secure memory to store sensible information