Update target sdk to 28

• Update gradle to 4.10.2
• Update compileSdkVersion to 28
• Update minSdkVersion to 19

V 1.3

Bug fixes

v1.2.9.1

• new cpv_barStrokeCap attribute
• new cpv_direction attribute for specifying the direction of circular rotation
• new inner and outer contour color and sizes.
• new customizable start and end line on bar
• new cpv_roundToBlock attribute

v 1.2.9

Added Features

• Custom animation interpolators
• Bug fixes

1.2.8

Bugfix release.
Fixed Bug: setBarColor with single color did not work (#27 thanks to @BAGZA).

1.2.7

Added feature:
Set the position of the unit text to one of: TOP, BOTTOM, LEFT_TOP, RIGHT_TOP, LEFT_BOTTOM, RIGHT_BOTTOM
via xml:

        CircleProgressView:cpv_unitPosition="bottom"

or code:

        mCircleView.setUnitPosition(UnitPosition.BOTTOM);

Set custom typeface via xml.

Version 1.2.6

Bugfix release.

Version 1.2.5

Bugfix release.

Version 1.2.4

Bug fix release.

Version 1.2.3

Added Features: Block mode
Multiple smaller bug fixes and performance improvements.
Breaking changes: All custom attributes are now prefixed with "cpv_" to avoid naming conflicts with other libraries.