Windows/Missing Overlay Icons

Limited to the top 15 overlays. In alphabelical order. Put spaces in front of keys to bump up.

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers

Restart Explorer
 * 1)    Close any Windows Explorer windows.
 * 2)    Press Ctrl+Shift+Esc to open Task Manager.
 * 3)    Look for Windows Explorer listed under “Background processes”.
 * 4)    Right-click it and select “Restart”.

References:
 * Overlay Icons in Windows explained - http://www.thewindowsclub.com/the-overlay-icons-in-windows-7
 * Managing overlay icons for Dropbox and TortoiseSVN and TortoiseGit – View from the Potting Shed - http://blog.garethjmsaunders.co.uk/2015/03/22/managing-overlay-icons-for-dropbox-and-tortoisesvn-and-tortoisegit/