reorganize the directories under src, and rescue the JavaScript interpreter from deprecated

src/compiler/GF/Text/Coding.hs

@@ -0,0 +1,21 @@
+module GF.Text.Coding where
+
+import GF.Infra.Option
+import GF.Text.UTF8
+import GF.Text.CP1250
+import GF.Text.CP1251
+import GF.Text.CP1252
+
+encodeUnicode e = case e of
+  UTF_8   -> encodeUTF8
+  CP_1250 -> encodeCP1250
+  CP_1251 -> encodeCP1251
+  CP_1252 -> encodeCP1252
+  _       -> id
+
+decodeUnicode e = case e of
+  UTF_8   -> decodeUTF8
+  CP_1250 -> decodeCP1250
+  CP_1251 -> decodeCP1251
+  CP_1252 -> decodeCP1252
+  _       -> id