Add CONTRIBUTORS file

CONTRIBUTORS

@@ -0,0 +1,7 @@
+Thanks to the following contributors to scour:
+
+* Doug Schepers (W3C SVG WG)
+	- function to embed rasters as base64 data: URLs
+	- report file size reduction
+	- prettied up the report
+	

scour.py

@@ -47,8 +47,8 @@
 #  * Collapse all group based transformations
 
 # Next Up:
-# + move all functionality into a module level function named 'scour' and only call it
-#   when being run as main (prepare for unit testing)
+# + moved all functionality into a module level function named 'scour' and only call it
+#   when being run as main (for unit testing)
 # - Removed duplicate gradient stops
 # - Convert all colors to #RRGGBB format
 # -