Add file listing sourceforge username, real name and role.

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@5156 ea778897-0a13-0410-b9d1-a72fbfd435f5

COMMITTERS

+Developer			SF Username		Role/Position
+----------------------------------------------------------------------
+Enrico Tröger		eht16			Maintainer
+Nick Treleaven		ntrel			Maintainer
+Lex Trotman			elextr			Developer
+Dominic Hopf		dmaphy			Developer
+Eugene Arshinov		statc			Developer
+Frank Lanitz		frlan			Translation Maintainer (I18N/L10N)
+Peter Scholtens		peterscholtens	Translator (I18N/L10N)
+Clytie Siddall		clytie			Translator (I18N/L10N)