Add Spanish and English (GB) builtin dictionaries

resources/dictionaries/en-GB/locales

@@ -0,0 +1,9 @@
+en-GB
+en-BS
+en-BZ
+en-GH
+en-IE
+en-IN
+en-JM
+en-NZ
+en-TT

resources/dictionaries/es-ES/locales

@@ -0,0 +1,20 @@
+es-AR
+es-BO
+es-CL
+es-CO
+es-CR
+es-CU
+es-DO
+es-EC
+es-ES
+es-GT
+es-HN
+es-MX
+es-NI
+es-PA
+es-PE
+es-PR
+es-PY
+es-SV
+es-UY
+es-VE

src/calibre/gui2/tweak_book/spell.py

@@ -290,6 +290,7 @@ class ManageDictionaries(Dialog):
         dprefs['preferred_dictionaries'] = pl
 
 if __name__ == '__main__':
-    app = QApplication([])  # noqa
+    app = QApplication([])
     d = ManageDictionaries()
     d.exec_()
+    del app

src/calibre/spell/import_from.py

@@ -20,7 +20,7 @@ NS_MAP = {
 }
 
 XPath = lambda x: etree.XPath(x, namespaces=NS_MAP)
-BUILTIN_LOCALES = {'en-US'}
+BUILTIN_LOCALES = {'en-US', 'en-GB', 'es-ES'}
 
 def parse_xcu(raw, origin='%origin%'):
     ' Get the dictionary and affix file names as well as supported locales for each dictionary '