added a new problem to be solved with image cropping via css
used a parent element to apply size restrictions also used the overflow property so no resize would applied wrongly
added some instructions on how to proceed with image cropping
added a new problem to solve cropping imgs proportionally
solved problem kepping same height of container and setting width as auto
added a new problem now to imags in portrait
solved problem with portrait proportionally setting the width
Merge pull request #11 from helmedeiros/image-issue

Learn how to solve most of image issues.