Do not limit feature info to 1 feature

This also limits the height of the featureinfo modal body to 400px and
reverses the order of the returned features, which results in features of
the topmost layer being shown first.
Merge pull request #751 from boundlessgeo/feature-count

Do not limit feature info to 1 feature
Merge branch 'master' of https://github.com/boundlessgeo/suite