Squashed commit of the following:

commit 321d3a6e9b5fb405850e613fe1d30cc15f287b08
Author: Rudolf Polzer <divverent@alientrap.org>
Date:   Fri Aug 20 18:00:51 2010 +0200

    yet another attempt at fixing normals. Parameters: heightsource=1 filter=3 scale=0.4

commit 739ce7735f5715fecf997e9ec1ee47e7789a3af1
Author: Rudolf Polzer <divverent@alientrap.org>
Date:   Fri Aug 20 07:56:32 2010 +0200

    another attempt

commit f2a8032b8c86aede59656996f9d6965c566b04ff
Author: Rudolf Polzer <divverent@alientrap.org>
Date:   Fri Aug 20 07:47:00 2010 +0200

    redid normalmaps with different settings (3x3 Prewitt, 30% scale)

commit 68ddcb38722c31375c50c095accb5868cbaa2ab4
Author: Rudolf Polzer <divverent@alientrap.org>
Date:   Fri Aug 20 07:09:20 2010 +0200

    replace bump by norm maps

commit c41ed619474526d44c794fa908bab6dd89d25c84
Merge: 821968e 10c8dae
Author: Rudolf Polzer <divverent@alientrap.org>
Date:   Fri Aug 20 06:18:50 2010 +0200

    Merge branch 'master' into diabolik/eX2x

commit 821968edf839a5f4bf266e1da9ea963823295ca0
Author: Rudolf Polzer <divverent@alientrap.org>
Date:   Fri Aug 20 06:16:37 2010 +0200

    add base-yellowpaint too

commit 0f3e661c96f9b9ec1d3605758c304b1dc2f970c0
Merge: dc0855e a2e171d
Author: Rudolf Polzer <divverent@alientrap.org>
Date:   Fri Aug 20 06:15:11 2010 +0200

    Merge branch 'master' into diabolik/eX2x

commit dc0855e24c2cd03e2ea568717e163e4ae5f18183
Author: Rudolf Polzer <divverent@alientrap.org>
Date:   Fri Aug 20 06:13:48 2010 +0200

    make ex2x/base-chainlink actually transparent

commit 212718e02d0d77801424410a2fac664fbadca1c7
Author: Sahil Singhal <sahil@sahil-desktop.(none)>
Date:   Fri Aug 20 00:10:38 2010 -0400

    Remove chainlink_alfa.

commit 15fec8069700a9101416f49d522cbd6956ea3083
Author: Sahil Singhal <sahil@sahil-desktop.(none)>
Date:   Thu Aug 19 17:42:55 2010 -0400

    ex2x by Kay. New texture set. Hopefully organized correctly.