Add items: custom filetypes, per-workspace instances with socket support.

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@3975 ea778897-0a13-0410-b9d1-a72fbfd435f5

TODO

@@ -13,6 +13,7 @@ Note: features included in brackets have lower priority.
 	  filetypes.common named styles)
 	o configurable filetype and project make commands (e.g. using
 	  bud for D) - see the build-system SVN branch
+	o (custom filetypes)
 	o (support for adding plugin filetypes - SCI_LOADLEXERLIBRARY?)
 	o (selectable menu of arguments to use for Make, from Make Custom)
 	o (DBUS)
@@ -21,6 +22,7 @@ Note: features included in brackets have lower priority.
 	   SCI_GETCHARACTERPOINTER and GNU regex?)
 	o (parsing tags from a memory buffer instead of a file on disk)
 	o (tango-like icons for the symbol list)
+	o (per-workspace instances with socket support?)
 
 
 	1.0: