[RaisedButton] doesn't use style prop value of icon

[gkrinc]

Problem description

I'm trying to force the icon to the right of the RaisedButton, but the style prop value on the RefreshIcon component isn't used by the RaisedButton

Steps to reproduce

<RaisedButton icon={
  <RefreshIcon style={{ float: 'right', marginTop: 6 }} />
} />

Versions

Material-UI: 0.15
React: 15.0.2

[aahan96]

@gkrinc Please don't create multiple issues with the same bug. It clutters the issue page