material: rename PostShadow15 -> PostShadow

jme3-core/src/main/java/com/jme3/shadow/AbstractShadowRenderer.java

@@ -330,12 +330,7 @@ public abstract class AbstractShadowRenderer implements SceneProcessor, Savable
     public void initialize(RenderManager rm, ViewPort vp) {
         renderManager = rm;
         viewPort = vp;
-        //checking for caps to chosse the appropriate post material technique
-        if (renderManager.getRenderer().getCaps().contains(Caps.GLSL150)) {
-            postTechniqueName = "PostShadow15";
-        } else {
-            postTechniqueName = "PostShadow";
-        }
+        postTechniqueName = "PostShadow";
         if(zFarOverride>0 && frustumCam == null){
             initFrustumCam();
         }

jme3-core/src/main/java/com/jme3/shadow/PssmShadowRenderer.java

@@ -355,12 +355,7 @@ public class PssmShadowRenderer implements SceneProcessor {
     public void initialize(RenderManager rm, ViewPort vp) {
         renderManager = rm;
         viewPort = vp;
-        //checking for caps to chosse the appropriate post material technique
-        if (renderManager.getRenderer().getCaps().contains(Caps.GLSL150)) {
-            postTechniqueName = "PostShadow15";
-        } else {
-            postTechniqueName = "PostShadow";
-        }
+        postTechniqueName = "PostShadow";
     }
 
     public boolean isInitialized() {

jme3-core/src/main/resources/Common/MatDefs/Light/Lighting.j3md

@@ -217,7 +217,7 @@ MaterialDef Phong Lighting {
     }
 
 
-    Technique PostShadow15{
+    Technique PostShadow {
         VertexShader GLSL150:   Common/MatDefs/Shadow/PostShadow.vert
         FragmentShader GLSL150: Common/MatDefs/Shadow/PostShadow.frag
 

jme3-core/src/main/resources/Common/MatDefs/Misc/Unshaded.j3md

@@ -148,7 +148,7 @@ MaterialDef Unshaded {
     }
 
 
-    Technique PostShadow15{
+    Technique PostShadow {
         VertexShader GLSL150:   Common/MatDefs/Shadow/PostShadow.vert
         FragmentShader GLSL150: Common/MatDefs/Shadow/PostShadow.frag
 
@@ -181,7 +181,7 @@ MaterialDef Unshaded {
         }
     }
 
-    Technique PostShadow{
+    Technique PostShadow {
         VertexShader GLSL100:   Common/MatDefs/Shadow/PostShadow.vert
         FragmentShader GLSL100: Common/MatDefs/Shadow/PostShadow.frag