added BOOST check
updated Makefiles: AM_CPPFLAGS
updated Makefiles: AM_CPPFLAGS, added no-parentheses
updated acsite.m4, moved ARCHTYPE block into gw_CHECK_QT_MT
updated Makefiles: AM_CPPFLAGS, added BOOSTSRC, no-parentheses
updated Makefiles: AM_CPPFLAGS, added BOOSTSRC
updated Makefiles: AM_CPPFLAGS, deleted duplicate BOOSTSRC entry
updated Makefiles: AM_CPPFLAGS, corrected
switched off commit mails to all developers