removed some items from the document menu to the preferences dialog, removed file save dialog from interface.c to dialogs.c, added toggle for line numbers, added command line option -p or --no-pipe to ignore a running instance of Geany and force opening a new instance


git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@199 ea778897-0a13-0410-b9d1-a72fbfd435f5