Cannot override text-field width

[haya14busa]

https://github.com/callemall/material-ui/blob/master/src/less/components/text-field.less#L8

I guess the width for text-field should be a custom variable.

[hai-cea]

Text-Field widths can now be set using the style prop as of v.0.8.

[haya14busa]

Thanks 💯