Allow unions of table types with the same name but from different namespaces.

Also fixed most codegenerators using the wrong namespace when multiple
namespace were used in a file, with some files not being generated.

Change-Id: Ib42969221239d7244e431cbd667ef69200fc415f
Tested: on Linux.
Bug: 29338474

tests/MyGame/Example/Any.cs

@@ -8,6 +8,7 @@ public enum Any : byte
  NONE = 0,
  Monster = 1,
  TestSimpleTableWithEnum = 2,
+ MyGame_Example2_Monster = 3,
 };
 
 

tests/MyGame/Example/Any.go

@@ -6,4 +6,5 @@ const (
 	AnyNONE = 0
 	AnyMonster = 1
 	AnyTestSimpleTableWithEnum = 2
+	AnyMyGame_Example2_Monster = 3
 )

tests/MyGame/Example/Any.java

@@ -7,8 +7,9 @@ public final class Any {
   public static final byte NONE = 0;
   public static final byte Monster = 1;
   public static final byte TestSimpleTableWithEnum = 2;
+  public static final byte MyGame_Example2_Monster = 3;
 
-  private static final String[] names = { "NONE", "Monster", "TestSimpleTableWithEnum", };
+  private static final String[] names = { "NONE", "Monster", "TestSimpleTableWithEnum", "MyGame_Example2_Monster", };
 
   public static String name(int e) { return names[e]; }
 };

tests/MyGame/Example/Any.php

@@ -8,11 +8,13 @@ class Any
     const NONE = 0;
     const Monster = 1;
     const TestSimpleTableWithEnum = 2;
+    const MyGame_Example2_Monster = 3;
 
     private static $names = array(
         "NONE",
         "Monster",
         "TestSimpleTableWithEnum",
+        "MyGame_Example2_Monster",
     );
 
     public static function Name($e)

tests/MyGame/Example/Any.py

@@ -6,4 +6,5 @@ class Any(object):
     NONE = 0
     Monster = 1
     TestSimpleTableWithEnum = 2
+    MyGame_Example2_Monster = 3