Merge pull request #49 from kasper93/batch

Batch files improvements
DVB: Add signal statistic to the status bar.

This commit fixes #899.
Move strings used in the status bar to resources.
Remove unused IDS_SCREENSHOT_ERROR_MADVR string from resources.
cosmetics
Disable some menus when it make sens to do so.
Disable pause for digital capture mode to avoid accidental playback stop.
We don't support time shifting yet.

This commit fixes #890.
Updated Polish translation.
apply astyle