Watermark, tranparency and rotation

[ydevincenzi]

Feature Description

Hi,
Is it possible to add new capabilities to this very good application ?

• new tool : watermark or manage watermark to add it to every screen capture
• new functionnality : able to rotate all element that we can add to the capture
• new functionnality : able to define transparancy on all element that we can add to the capture

Thanks ;)

[mmahmoudian]

Watermark is duplicate of #158