final saving
accepting custom source segment for gst-switch-cap
concate all arguments for source segment
ptz-ui: add some paddings
ptz: adjust padding/spacing/bolding
ptz: updates more spacing/padding
bug fixes, fixed zooming feature
* start working with gstreamer 1.2
* try working with PKG_CONFIG_PATH=~/gst/stage/lib/pkgconfig
make slider PT controlling fast responding