change footer to include version
Merge pull request #2711 from 66eli77/final-kalite-android-1

add the software version in the footer
change 'download' btn to 'Open PDF Reader'
Merge pull request #2712 from 66eli77/final-kalite-android-1

change 'download' btn to 'Open PDF Reader'
fixed audio player play and pause button issue on Android tablet
Merge pull request #2713 from 66eli77/final-kalite-android-1

fixed audio player play and pause button issue on Android tablet
fixed the video points jump to 750 issue
Merge pull request #2714 from 66eli77/final-kalite-android-1

fixed the video points jump to 750 issue
prettify PDF container and related content container
Merge pull request #2715 from 66eli77/final-kalite-android-1

prettify PDF container and related content container