XmlImport now has PassThroughProcessor as its default processor (which matches xna) rather than (for some reason) ModelProcessor.
Remove everything from FileHelpers except NormalizeFilePathSeparators and DirectoryCreate. They would all only be used in one place.
Move CreateDirectory into StorageContainer, where it is used twice.
Whitespace and license since I just nuked most of this file.
Merge pull request #2575 from SickheadGames/XmlImporterDefaultProcessor

Fixed XmlImporter's DefaultProcessor
Fix build on not WINRT
Merge pull request #2576 from danzel/clean-filehelpers

Remove FileHelpers that are not needed
Fixed broken SoundEffectInstance.IsLooped on Android.