readme: update
Merge branch 'devel'

* devel:
  readme: update
openni: add
openni: add color output
readme: add some kinect and openni info
readme: add link to Manel's uSnippets
Merge branch 'openni' into devel

* openni:
  readme: add link to Manel's uSnippets
  readme: add some kinect and openni info
  openni: add color output
  openni: add
webstreamer: add
Merge branch 'stream' into devel

* stream:
  webstreamer: add
stream: add missing header
Merge branch 'stream' into devel

* stream:
  stream: add missing header
kinect: add note about kernel modules
webstreamer: link to missing libraries
openni: fix callback usage, lock and pass data
webstreamer: fix
duo: add module for DUO3D devices
Merge branch 'devel' of i14git:bvs/bvs-modules into devel

* 'devel' of i14git:bvs/bvs-modules:
  webstreamer: fix
  openni: fix callback usage, lock and pass data
  webstreamer: link to missing libraries
duo: disable camera swapping per default
duo: add doxygen comments, cleanup, add todos
duo: whitespace