Hook up etoys projects

lib/data/Makefile.am

@@ -1,4 +1,4 @@
 geckoconfdir = $(pkgdatadir)
-geckoconf_DATA = gecko-prefs.js
+geckoconf_DATA = gecko-prefs.js mime.types
 
 EXTRA_DIST = $(geckoconf_DATA)

lib/data/mime.types

@@ -0,0 +1 @@
+application/x-squeak-project	pr

lib/src/sugar-browser.cpp

@@ -135,6 +135,8 @@ sugar_browser_startup(const char *profile_path, const char *profile_name)
 	prefService->GetBranch ("", getter_AddRefs(pref));
 	NS_ENSURE_TRUE(pref, FALSE);
 
+    pref->SetCharPref ("helpers.private_mime_types_file", SHARE_DIR"/mime.types");
+
 	rv = prefService->ReadUserPrefs (nsnull);
 	if (NS_FAILED(rv)) {
 		g_warning ("failed to read user preferences, error: %x", rv);