2018 copyright date update

bin/jni/managerimpl.i

bin/jni/presencemanager.i

bin/jni/videomanager.i

bin/main.cpp

bin/nodejs/callmanager.i

bin/nodejs/configurationmanager.i

bin/nodejs/managerimpl.i

bin/nodejs/nodejs_interface.i

bin/nodejs/presencemanager.i

bin/nodejs/videomanager.i

bin/osxmain.cpp

bin/restcpp/restclient.cpp

bin/restcpp/restclient.h

bin/restcpp/restconfigurationmanager.cpp

bin/restcpp/restconfigurationmanager.h

bin/restcpp/restvideomanager.cpp

bin/restcpp/restvideomanager.h

bin/winmain.cpp

configure.ac

contrib/src/pjproject/gnutls.patch