devel/mico: Deprecate; fix build with Clang 6

uni_fromuni.cc:56:3: error: constant expression evaluates to 240 which cannot be narrowed to type 'char' [-Wc++11-narrowing]
  0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,  /* 0x30-0x37 ( 48- 55) */
  ^~~~

http://beefy12.nyi.freebsd.org/data/head-amd64-default/p475478_s336801/logs/errors/mico-2.3.13_3.log

yacc.yy:1798:34: error: reference to 'string_literals' is ambiguous
            yyval.node = new ParseNode( string_literals, yyvsp[0].node );
                                        ^
./parsenode.h:124:3: note: candidate found by name lookup is 'string_literals'
  string_literals,
  ^
/usr/include/c++/v1/string:4043:20: note: candidate found by name lookup is
      'std::__1::literals::string_literals'
  inline namespace string_literals
                   ^

- While here update WWW

devel/mico/Makefile

@@ -15,6 +15,8 @@ LICENSE_COMB=	multi
 LICENSE_FILE_GPLv2=	${WRKSRC}/LICENSE-GPL
 LICENSE_FILE_LGPL20=	${WRKSRC}/LICENSE-LGPL
 
+DEPRECATED=	unmaintained upstream and unused in the ports tree
+EXPIRATION_DATE=	2018-08-30
 BROKEN_SSL=	openssl-devel
 BROKEN_SSL_REASON_openssl-devel=	member access into incomplete type 'BIO' (aka 'bio_st')
 
@@ -22,6 +24,7 @@ GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-optimize --with-ssl=${OPENSSLBASE}
 MAKE_ARGS=	INSTDIR=${STAGEDIR}${PREFIX} SHARED_INSTDIR=${STAGEDIR}${PREFIX}
 USES=		gmake ncurses readline ssl
+USE_CXXSTD=	c++98
 USE_LDCONFIG=	yes
 WRKSRC=		${WRKDIR}/${PORTNAME}
 

devel/mico/pkg-descr

@@ -21,4 +21,4 @@ Here is some of MICO features:
        o Relationship service, o Property service, o Time service,
        o Security service
 
-WWW: http://www.mico.org
+WWW: http://mico.sourceforge.net