boost1.67 required

+ proberconnection.cc is not 1.62 compatible anymore
+ boost1.67 is available since stretch-backports so we don't loose any support
+ TODO: libboost1.67-dev etc alternatives are only for Debian Stretch right now

debian/control

@@ -15,15 +15,15 @@ Build-Depends: bison,
 	jadetex,
 	konwert,
 	libasio-dev | libasio1.55-dev,
-	libboost-date-time-dev (>=1.62) | libboost-date-time1.67-dev,
-	libboost-dev (>=1.62) | libboost1.67-dev,
-	libboost-filesystem-dev (>=1.62) | libboost-filesystem1.67-dev,
-	libboost-locale-dev (>=1.62) | libboost-locale1.67-dev,
-	libboost-program-options-dev (>=1.62) | libboost-program-options1.67-dev,
-	libboost-python-dev (>=1.62) | libboost-python1.67-dev,
-	libboost-regex-dev (>=1.62) | libboost-regex1.67-dev,
-	libboost-system-dev (>=1.62) | libboost-system1.67-dev,
-	libboost-thread-dev (>=1.62) | libboost-thread1.67-dev,
+	libboost-date-time-dev (>=1.67) | libboost-date-time1.67-dev,
+	libboost-dev (>=1.67) | libboost1.67-dev,
+	libboost-filesystem-dev (>=1.67) | libboost-filesystem1.67-dev,
+	libboost-locale-dev (>=1.67) | libboost-locale1.67-dev,
+	libboost-program-options-dev (>=1.67) | libboost-program-options1.67-dev,
+	libboost-python-dev (>=1.67) | libboost-python1.67-dev,
+	libboost-regex-dev (>=1.67) | libboost-regex1.67-dev,
+	libboost-system-dev (>=1.67) | libboost-system1.67-dev,
+	libboost-thread-dev (>=1.67) | libboost-thread1.67-dev,
 	lsb-release,
 	bash (>=5.0) | libcgal-dev (>=4.9) | libcgal-qt5-dev (<<4.9) | libcgal-dev(<<4.7),
 	libc-ares-dev, libcppunit-dev, libcurl3-dev | libcurl4-gnutls-dev, libevent-dev(>=2.0),