Added ability to disable swipe in either directions

[nithinnara]

Swipe gestures can be used in cases other than just a simple imageview and sometimes you wish to disable swipe especially the right swipe until some sort of user action is completed.This can disable and enable swipe in both directions at any point by calling the listener method.

[confile]

@nithinnara This is a good idea. Do you see how one can check if isEnable just right before the card swipes out of the screen. In other words. The user moves the card for example to the right and removes his finger from the screen. Normally the card you swipe out to the right.

Now in case `ìsEnable`` is false for the direction right the swipe should be canceled and the card should move back to where the center.

Do you have any idea how to do that?

[confile]

@nithinnara The problem with your request is that when you disallow one direction lets say left enabled and right disabled. Then you can swipe to the left but you cannot swipe back to the center.