progress value added to the prgress bar

[isamankumara]

I have added new class to handle Circular progress bar and added label inside that progress bar. added few properties for the progress bar

1. label font name
2. label font size
3. showEndThumb
   still end thumb and end thumb image is available if someone want customone

[HamzaGhazouani]

Hi @isamankumara, thanks for your contribution and your PR
For the text we can use a UILabel instead of drawLabel what do you think ?

[isamankumara]

I am not sure why I didn't put label on that time since it was done few months ago.

[isamankumara]

if you want to check and merge with label. I can check that.