Fixing wrong filenames

Some of the filenames in the gulpfile are wrong.
A few files were moved from one directory to the other, the textures
directory was written in lowercase (and not in uppercase). Windows
ignores this, but linux is case sensitive.
This should somehow be automated. I will see if the new gulp-typescript
has filters for that. Shouldn't be a problem to automate js
file-finding.

Tools/Gulp/gulpfile.js

@@ -52,7 +52,7 @@ gulp.task('typescript-declaration', ['typescript-to-js'], function() {
 /**
  * Concat all js files in order into one big js file and minify it.
  * The list is based on https://github.com/BabylonJS/Babylon.js/wiki/Creating-the-minified-version
- * Do not hesistate to update it if you need to add your own files.
+ * Do not hesitate to update it if you need to add your own files.
  */
 gulp.task('scripts', ['shaders'] ,function() {
   return gulp.src([
@@ -91,17 +91,17 @@ gulp.task('scripts', ['shaders'] ,function() {
       '../../Babylon/Mesh/babylon.InstancedMesh.js',
       '../../Babylon/Mesh/babylon.mesh.js',
       '../../Babylon/Mesh/babylon.subMesh.js',
-      '../../Babylon/Materials/textures/babylon.baseTexture.js',
-      '../../Babylon/Materials/textures/babylon.texture.js',
-      '../../Babylon/Materials/textures/babylon.cubeTexture.js',
-      '../../Babylon/Materials/textures/babylon.renderTargetTexture.js',
-      '../../Babylon/Materials/textures/procedurals/babylon.proceduralTexture.js',
-      '../../Babylon/Materials/textures/babylon.mirrorTexture.js',
-      '../../Babylon/Materials/textures/babylon.dynamicTexture.js',
-      '../../Babylon/Materials/textures/babylon.videoTexture.js',
-      '../../Babylon/Materials/textures/babylon.customProceduralTexture.js',
-      '../../Babylon/Materials/textures/babylon.proceduralTexture.js',
-      '../../Babylon/Materials/textures/babylon.standardProceduralTexture.js',
+      '../../Babylon/Materials/Textures/babylon.baseTexture.js',
+      '../../Babylon/Materials/Textures/babylon.texture.js',
+      '../../Babylon/Materials/Textures/babylon.cubeTexture.js',
+      '../../Babylon/Materials/Textures/babylon.renderTargetTexture.js',
+      '../../Babylon/Materials/Textures/Procedurals/babylon.proceduralTexture.js',
+      '../../Babylon/Materials/Textures/babylon.mirrorTexture.js',
+      '../../Babylon/Materials/Textures/babylon.dynamicTexture.js',
+      '../../Babylon/Materials/Textures/babylon.videoTexture.js',
+      '../../Babylon/Materials/Textures/Procedurals/babylon.customProceduralTexture.js',
+      '../../Babylon/Materials/Textures/babylon.proceduralTexture.js',
+      '../../Babylon/Materials/Textures/Procedurals/babylon.standardProceduralTexture.js',
       '../../Babylon/Materials/babylon.effect.js',
       'build/shaders.js',
       '../../Babylon/Materials/babylon.material.js',
@@ -203,14 +203,14 @@ gulp.task('clean', ['scripts'], function() {
 });
 
 /**
- * The defaut task, call the tasks: shaders, scripts, clean
+ * The default task, call the tasks: shaders, scripts, clean
  */
 gulp.task('default', function() {
     gulp.start('shaders','scripts', 'clean');
 });
 
 /**
- * The defaut typescript task, call the tasks: shaders, scripts, clean AFTER the task typescript-to-js
+ * The default typescript task, call the tasks: shaders, scripts, clean AFTER the task typescript-to-js
  */
 gulp.task('typescript', ['typescript-declaration'], function() {
     gulp.start('shaders','scripts', 'clean');