best layout and comment
add PhVideoView
PhVideo => MainView
load video file in argument
add PhVideoController
video percentage management in PhVideoController
doxygen++
Merge branch 'mdPhVideoTest'

* mdPhVideoTest:
  doxygen++
  video percentage management in PhVideoController
  add PhVideoController
  load video file in argument
  PhVideo => MainView
  add PhVideoView
  best layout and comment