Support multiple %cursor% wildcards in Snippets. To switch between %cursor% wildcards, use the new keybinding 'Move cursor in snippet' (patch by Thomas Martitz, thanks).

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@3461 ea778897-0a13-0410-b9d1-a72fbfd435f5