Problem facing in combine chart.

In combined chart, I am using bar and line chart.
1..In the bar chart, I am not able to set label in the center.
2..In combine chart 1st and last bar is cut.
3..How can I set image in line chart data point value?

In swift2.3 graph works properly. But I update my code swift3 graph does not look proper.
My working graph swift2.3: http://prntscr.com/fmc6ox
My not working graph swift3: http://prntscr.com/fmc83m