[svn r89] Fixed a bunch of problems with template instance across multiple modules.

Fixed initialization of function local static variables, with a non const initializer (now happens on first call using a global to make sure it only happens once.)

test/templ1.d

@@ -0,0 +1,11 @@
+module templ1;
+
+T func1(T)(T a)
+{
+    static T b = a;
+    return b;
+}
+
+void main()
+{
+}

test/templ2.d

@@ -0,0 +1,7 @@
+module templ2;
+import templ1;
+
+void main()
+{
+    func1(1);
+}