Use stat call to distinguish between files and directories for file systems that do not support d_type.
Extend the folder drop on icon to any file type on mac. Also allow user to use "Open With" for image file extensions.
Use stat for all unknown file entries
Merge pull request #369 from adobe/rlim/readdir-issue

Use stat on file systems that do not support d_type in file entry record returned from readdir.
Merge pull request #367 from adobe/rlim/image-drop-on-mac

Extend the folder drop on icon to any file type on mac.
Fix crash when closing Chrome without a callback function in place
Merge pull request #373 from fungl164/fungl164/chrome-live-osx-2

Fix crash when closing Chrome without a callback function in place