fixed issues and customize pinView method

[FarshidRoohi]

• Add method set cursor color and drawable shape
• Add method set text size
• Add method set text color
• Add method set cursor visibility
• Update gradle and target SDK version

fixed issues
3
4
16
19

[bdurmus]

@FarshidRoohi Hi, how can i change textColor. Are you release this methods?

[FarshidRoohi]

@FarshidRoohi Hi, how can i change textColor. Are you release this methods?

you will able to use this method myPinView.setTextColor(Color.BLACK);

[Vatican-Cameos]

Thank you for your contribution.
Merged.
The update is available in the new release v1.4.