Use fs.realpathSync to save the correct path for files in symlinked directories
Assign realpath to @path in constructor
Fix specs when using realpathSync for files
Require fs-plus 2.0.4
Merge pull request #87 from renz45/fix_symlink_file_selection

Fix selection bug when selecting files inside of a symlinked directory
Always try to call fs.realpathSync

Catch the error and use the unreal path when it fails
Prepare 0.81.0 release