Depend libnice-dev on libgupnp-igd-1.0-dev
Build-Depend on libgstreamer1.4-dev
Add /opt/gstreamer1.4 to PKG_CONFIG_PATH and DEB_SHLIBDEPS_INCLUDE
Install GStreamer plugin into /opt/gstreamer1.4
Rename gstreamer1.0-nice -> gstreamer1.4-nice