docs(): remove theme-level, revert AngularJS logo

Author: ajoslin

docs/config/template/index.template.html

@@ -23,7 +23,7 @@
 
     <md-toolbar style="min-height: 64px; max-height:64px;" layout="column">
       <h1 class="md-toolbar-tools" flex layout="column">
-        <a href="#/" ng-click="goHome()" layout="row" flex>
+        <a href="" ng-click="goHome()" layout="row" flex>
           <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 100 100" enable-background="new 0 0 100 100" xml:space="preserve" style="
               width: 40px; height: 40px;">
             <path d="M 50 0 L 100 14 L 92 80 L 50 100 L 8 80 L 0 14 Z" fill="#b2b2b2"></path>

gulpfile.js

@@ -439,8 +439,7 @@ function buildTheme(theme) {
   return gulp.src([
       'src/core/style/color-palette.scss',
       'themes/' + theme + '-theme.scss',
-      'themes/_default-theme.scss',
-      'src/core/style/theme-levels.scss'
+      'themes/_default-theme.scss'
     ])
     .pipe(concat(theme + '-theme.scss'))
     .pipe(utils.hoistScssVariables())