spacing in usage()
handle non-windowIDs gracefully
dummy widget that returns a (non)-windowID

so we can easily disable a second gst-window
default previewWidget/liveWidget to noWidget()

which will eventually be overridden in striem_ui::setupUi()
only have a single bigger (preview)Window
make closeability of main window settable from outside
for now, make main window closeable
renamed 'interpreter' property to 'interpret'

it's easiert to remember (at least, if you speak german)
make text-position spinboxes accept large values

-1000..1000 (rather than 0..100)
allow empty lines in gstctrl
added piece- and interpret textoverlays
make interpret and piece configurable
interpreter->interpret
Porting-HOWTO gst-0.10 to gst-1.0

https://wiki.ubuntu.com/Novacut/GStreamer1.0
legacy gst-0.10 pipeline
legacy test pipeline for gst-0.10
ignore /tmp/ dir
ported pipeline to gst-1.0

most of it, anyhow
gobject is already inited in core/pipeline

using gir!
ported pipeline to gst-1.0