[#2605] Update to PJSIP 1.5.5

...ibs/pjproject/pjlib-util/src/pjlib-util/resolver_wrap.cpp

...n/libs/pjproject/pjlib-util/src/pjlib-util/srv_resolver.c

...mon/libs/pjproject/pjlib-util/src/pjlib-util/xml_wrap.cpp

sflphone-common/libs/pjproject/pjlib/build/Makefile

sflphone-common/libs/pjproject/pjlib/build/cacert.pem

sflphone-common/libs/pjproject/pjlib/build/os-auto.mak

sflphone-common/libs/pjproject/pjlib/build/os-win32.mak

sflphone-common/libs/pjproject/pjlib/build/pjlib.dsp

sflphone-common/libs/pjproject/pjlib/build/pjlib.vcproj

sflphone-common/libs/pjproject/pjlib/build/pjlib_test.dsp

sflphone-common/libs/pjproject/pjlib/build/pjlib_test.vcproj

sflphone-common/libs/pjproject/pjlib/build/privkey.pem

...hone-common/libs/pjproject/pjlib/include/pj/addr_resolv.h

...-common/libs/pjproject/pjlib/include/pj/compat/cc_armcc.h

...ommon/libs/pjproject/pjlib/include/pj/compat/os_auto.h.in

...mmon/libs/pjproject/pjlib/include/pj/compat/os_darwinos.h

...ommon/libs/pjproject/pjlib/include/pj/compat/os_symbian.h

...-common/libs/pjproject/pjlib/include/pj/compat/os_win32.h

...n/libs/pjproject/pjlib/include/pj/compat/os_win32_wince.h

...ne-common/libs/pjproject/pjlib/include/pj/compat/socket.h