snapshot-36

Dropped characters, Find dialog

This snapshot fixes a problem with dropped characters that was
introduced with snapshot 35. Other changes since snapshot 35:

  - More help file updates
  - Fixed memory leak (Jonathon Mah)
  - Tool tips for truncated tab labels (Jonathon Mah)
  - Support drag and drop on tabs and on tabline (Jonathon Mah)
  - Modifier key can be used as control (useful for turning Caps Lock
    into Esc, see ":h macvim-esc")
  - Added "Find & Replace" dialog box (Cmd-f)