various include fixes

Change-Id: Id53c85e7322cff7e7fb8b9f260e4f491119b399f
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ec0da0d..7484c99 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,6 +50,7 @@
     include/certstore.h
     include/ice_options.h
     include/ice_transport.h
+    include/ice_transport_factory.h
     include/ice_socket.h
     include/fileutils.h
     include/string_utils.h
diff --git a/src/ice_transport_factory.h b/include/ice_transport_factory.h
similarity index 100%
rename from src/ice_transport_factory.h
rename to include/ice_transport_factory.h