[INTERNAL][FIX] sap.m.SegmentedButton: Multiple compatibility Fixes

- IE: Fixed width increase/decrease with 1px on last button click.	
- IE Mobile on 8.1: ignores outline fixed.
- IE11: Fixed before element takes the focus from the button.
- IOS: The segmented buttons keeps their pressed state instead of
selected state. The state becomes selected only after the group loses
the focus.
- IOS: There is no outline on the focused element.
- Android <= 4.3: Removed native colouring on tap.

Change-Id: I569da4a93e4079dcd326c22cd4963e3d70a1bbd4
Merge "[INTERNAL][FIX] sap.m.SegmentedButton: Multiple compatibility Fixes"