Fill in template file for swap.
Add swap bits class to meta file.
Merge branch 'master' of https://github.com/aldgoff/EPI
Add swap interview problm.
Squashed commit of the following:

commit e3c5db26e41c2d719707a1a3acbb4545d90b675e
Author: Allan Goff <allangoff@gmail.com>
Date:   Sat Nov 1 16:41:14 2014 -0700

    Add strategies 3 & 4.

commit d80d9d1bea223cff98587e869ed58977520fd8a1
Author: Allan Goff <allangoff@gmail.com>
Date:   Sat Nov 1 16:23:21 2014 -0700

    Removed commented out lines.

commit a2a97db61d3b30222881a3427abc59cbb11ef79d
Author: Allan Goff <allangoff@gmail.com>
Date:   Sat Nov 1 16:21:59 2014 -0700

    Write strategy 2.

commit 606c1985e365c494278b862453e938d66421df15
Author: Allan Goff <allangoff@gmail.com>
Date:   Sat Nov 1 15:58:58 2014 -0700

    Comment out diagnostic prints.

commit b320572c7438faea541ff214938632655f6a4a6f
Author: Allan Goff <allangoff@gmail.com>
Date:   Sat Nov 1 15:55:24 2014 -0700

    Finish draft of strategy 1.

commit f42748e057216aa7f738caf1ad0bbac03f00d988
Author: Allan Goff <allangoff@gmail.com>
Date:   Sat Nov 1 15:41:15 2014 -0700

    Handle case where bits to be swapped have same value.

commit 6e6901c1cca66a6df2034eb76e20f3068e4dd6ce
Author: Allan Goff <allangoff@gmail.com>
Date:   Sat Nov 1 15:36:02 2014 -0700

    Handle indexes in either order.

commit 8464743faa41f39c6fec1e47b856e4fb8bb984f8
Author: Allan Goff <allangoff@gmail.com>
Date:   Sat Nov 1 15:28:26 2014 -0700

    Test for same indexes.

commit d26413eceea9553ec3ce98e42a74f178e97ca017
Author: Allan Goff <allangoff@gmail.com>
Date:   Sat Nov 1 15:18:01 2014 -0700

    Setup swap to report test data & results.