Fixes to Octave examples

- rename example modules from "example" to "swigexample", to avoid a
  warning from shadowing the Octave built-in function "example"
- remove deprecated "static" Makefile targets: there is no longer
  an option to build static Octave modules in the Examples Makefile
- emacs whitespace cleanup run on all files

Examples/octave/funcptr/example.i

@@ -1,5 +1,5 @@
 /* File : example.i */
-%module example
+%module swigexample
 %{
 #include "example.h"
 %}
@@ -13,4 +13,3 @@ extern int  do_op(int a, int b, int (*op)(int, int));
 %constant int (*MUL)(int,int) = mul;
 
 extern int (*funcvar)(int,int);
-