Update HMSegmentedControl.m

Add Xib's/Storyboards support for control initialization
Update HMSegmentedControl.m

Remove initWithCoder: duplication.
Merge pull request #14 from alokard/patch-1

Adds awakeFromNib
Update README.md
Merge commit '2a681208bdc5f1098a6432f7aebafc97b4e58151'