Update shape.adoc

Set alignment of text to the left side of individual images.

src/docs/asciidoc/jme3/advanced/shape.adoc

@@ -36,39 +36,47 @@ image::jme3/advanced/sphere.png[sphere.png,width="108",height=""]
 *  com.jme3.scene.shape.Sphere – A ball or elipsoid. 
 --
 
+[.float-group]
+--
 [.right-.text-left]
 image::jme3/advanced/dome.png[dome.png,width="108",height=""]
 *  com.jme3.scene.shape.Dome – A semi-sphere, e.g. SkyDome.
+--
 
-
+[.float-group]
+--
 [.right.text-left]
 image::jme3/advanced/cone.png[cone.png,width="108",height=""]
-
 **  For a cone, set the Dome's radialSamples>4 and planes=2. 
+--
 
-
+[.float-group]
+--
 [.right.text-left]
 image::jme3/advanced/pyramid.png[pyramid.png,width="108",height=""]
-
 **  For a pyramid, set the Dome's radialSamples=4 and planes=2. 
+--
 
-
+[.float-group]
+--
 [.right.text-left]
 image::http://i204.photobucket.com/albums/bb19/mike_ch_1/torus.png[Torus,width="108",height="80"]
-
 *  com.jme3.scene.shape.Torus – An single-holed torus or “donut.
+--
 
-
+[.float-group]
+--
 [.right.text-left]
 image::jme3/advanced/220px-trefoil_knot_arb.png[PQ torus knoz,width="108",height="80"]
-
 *  com.jme3.scene.shape.PQTorus – A parameterized torus. A PQ-Torus looks like a link:http://en.wikipedia.org/wiki/Torus_knot[donut knotted into spirals].
+--
 
-
+[.float-group]
+--
 [.right.text-left]
 image::jme3/advanced/nurbs_3-d_surface.png[NURBS surface,width="108",height="80"]
-
 *  com.jme3.scene.shape.Surface – A curved surface (called link:http://en.wikipedia.org/wiki/File:NURBS_3-D_surface.gif[NURBS]) described by knots, weights and control points. Compare with shape.Curve.
+--
 
 
 == Non-3D shapes