kamailio: Kamailio 6.0.1

kamailio: Kamailio 6.0.1

Dropped patches 010-033 and 100. No longer required (integrated at
source).

New modules:
-ims_qos_npn
-nghttp2
-presence_dfks
-pvtpl
-topos_htable

Archived modules 5.6.x-> 5.8.x:
-app_sqlang
-auth_identity

Archived modules 5.8.x-> 6.0.x:
-app_lua_sr

Kamailio libs now merged into core (and are no longer external):
-libkamailio_ims
-lib{srdb1,srdb2}
-libtrie

Changed source URL to github (faster).

Signed-off-by: Paul Donald <newtwen+github@gmail.com>