…yout events. Same on IE media.

Detach event handlers from Video media and Media timer (generic to all).

…uced thread count.

Move the Marshall release in video player to before the dispose.

Fixes xibosignage/xibo#53

xibosignage/xibo#341

…rval has a default refresh rate of 5 minutes. Except text / web pages as we know they will only change with a layout change.

Patch to ensure that when an update is requested but fails, we show a cached copy if available.
Fixes xibosignage/xibo#404

…- much clearer as update interval is expressed in minutes.

…ould stop key events being gobbled by IE controls.

Fixes xibosignage/xibo#427

…orm not returning correct bounds). Also fixed a cache problem of the screen shot request.

…e on mouse).

Fixed issue with DEFAULT folder - returned the correct default settings until it has been set manually.

Updated screen shot request to clear hash of settings.

Fixes for 1.7.2 release.

Release 1.7.2

1.7.2 scr