By default, don't load fonts lazily

Lazy loading has implications on how people use objects.
So, by default, don't load lazily.  This only affects
GSUB/GDEF/GPOS/etc and is closer to what fonttools used
to do traditionally.

Turn lazy loading on in subset and inspect.
diff --git a/Lib/fontTools/subset.py b/Lib/fontTools/subset.py
index 1f382da..b1b8d30 100644
--- a/Lib/fontTools/subset.py
+++ b/Lib/fontTools/subset.py
@@ -2124,12 +2124,14 @@
               options,
               allowVID=False,
               checkChecksums=False,
-              dontLoadGlyphNames=False):
+              dontLoadGlyphNames=False,
+              lazy=True):
 
   font = ttLib.TTFont(fontFile,
                       allowVID=allowVID,
                       checkChecksums=checkChecksums,
-                      recalcBBoxes=options.recalc_bounds)
+                      recalcBBoxes=options.recalc_bounds,
+                      lazy=lazy)
 
   # Hack:
   #