New plugin for HDF5 saving using sink task
Merge commit '7cdbecd'
Fix indentation
Implement change event on video_last_image and video_last_image_counter
 Merge branch 'master' into 'master'

video_last_image change events

Implementation of tango change events on video_last_image and video_last_image_counter.
New property MaxVideoFPS to limit video event frequency
fixed merge conflit