Create shortcuts

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V. 3.2/3.5.4 Bug fix.

V. 3.1 Fixed crashes on Pre-Lollipop devices.

V. 3.0 Folder shortcuts.

V. 2.0 The user can choose a custom icon tapping on the preview image. Graphics improvements.

V. 1.2 The user can add bookmark shortcuts, added new icons, bug fix.