Update docs for: - [VFS-370] Add a FileExtensionSelector class. - [VFS-367]Add APIs FileObject isFile(), FileObject isFolder(), and FileName isFile(). - [VFS-366]Can't sort a List of FileObject's, FileObject to implement Comparable<FileObject>.
Update docs for:
- [VFS-370] Add a FileExtensionSelector class.
- [VFS-367]Add APIs FileObject isFile(), FileObject isFolder(), and FileName isFile().
- [VFS-366]Can't sort a List of FileObject's, FileObject to implement Comparable<FileObject>.


git-svn-id: c455d203a03ec41bf444183aad31e7cce55db786@1195444 13f79535-47bb-0310-9956-ffa450edef68

mohanaraosv/commons-vfs,ecki/commons-vfs,apache/commons-vfs,seeburger-ag/commons-vfs,mohanaraosv/commons-vfs,ecki/commons-vfs,apache/commons-vfs,seeburger-ag/commons-vfs,seeburger-ag/commons-vfs,mohanaraosv/commons-vfs