Implemented Sankore-729 - previews images for web search results supports images, audios, videos and flash content.
Images previews is adjusted now.
Mime type detection mechanism is more common now.

Now text size in TextItem is the same on separate platforms.

changed gips directory because it doesn't work on windows. Installation path isn't available on write mode

It's icon is temporary.

Behavior implemented:
1. Can interact with all items without showing items frames (but ToolBar shows).
2. Cannot move items, but can drag images.
3. Selected items appears deselected when Play tool chosen.
4. Play tool don't requires selecting of item before interacts.
5. Cursor looks like tool icon in text and image widgets (should be the same in any others widgets, but now in w3c is not).

* Hotfix. Fixed merge errors.

* Fixed screens initialization order and logic.

PDF : Sankore overwrite Pdf layer to empty, after picture(shape) was "set as background"

Frame buttons