Update Spanish subdivision flags from upstream

Makefile

@@ -79,7 +79,9 @@ SELECTED_FLAGS = AC AD AE AF AG AI AL AM AO AQ AR AS AT AU AW AX AZ \
 	XK \
 	YE YT \
 	ZA ZM ZW \
-        GB-ENG GB-SCT GB-WLS
+        GB-ENG GB-SCT GB-WLS \
+		ES-AN ES-AR ES-AS ES-CB ES-CE ES-CL ES-CM ES-CN ES-CT ES-EX \
+		ES-GA ES-IB ES-MC ES-MD ES-ML ES-NC ES-PV ES-RI ES-VC
 
 ifeq (,$(shell which $(ZOPFLIPNG)))
   ifeq (,$(wildcard $(ZOPFLIPNG)))

third_party/region-flags/AUTHORS

@@ -2,3 +2,6 @@ Shervin Afshar
 Behdad Esfahbod
 Behnam Esfahbod
 Roozbeh Pournader
+
+For the latest list of contributors see the following: 
+https://github.com/fonttools/region-flags/graphs/contributors

third_party/region-flags/README.md

@@ -51,12 +51,12 @@ flags were resolved for the initial import:
 - The script `regions.py` lists all regions and some selected sub-regions with their metadata.
 - The script `regions-wp.py` shows the Wikipedia URL for the flag page.
 - The script `missing.sh` shows all such regions that we don't have flags for.
-- The script `make-aliases.sh` makes symlinks for regions that use flag of another
-region.
-- The script `download-wp.py` downloads missing flags from Wikipedia and generating
-optimized SVG and PNG versions.
+- The script `make-aliases.sh` makes symlinks for regions that use flag of another region.
+- The script `download-wp.sh` downloads missing flags from Wikipedia and optionally you can generate optimized SVG and PNG versions (e.g., download-wp.py true).
+- The script `update.sh` automatically regenerates all files and outputs optimized png.
+- The script `convert.sh` converts SVG to PNG with ability to specify Width or Height.
 
-You can use the [waveflag script from the Noto fonts project](../../waveflag.c)
+You can use the [waveflag script from the Noto fonts project](https://code.google.com/p/noto/source/browse/color_emoji/waveflag.c)
 to _wave_ PNG flags.
 
 # Requirements
@@ -80,7 +80,8 @@ national laws), make a note of it in file `COPYING`.
 To download missing flags, run `download-wp.py`.
 
 To update to latest flags from Wikipedia, delete the `html`, `svg`, and `png`
-directories, then run `make-aliases.sh` followed by `download-wp.py`.
+directories, then run `make-aliases.sh` followed by `download-wp.py` or you can use `update.sh`.
+
 
 
 # License