Merge branch 'rel_ionCube_PHP56-70' of https://github.com/d3datadevelopment/ExtSearch into rel_ionCube_PHP56-70

# Conflicts:
#	composer.json

src/build/README.md

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+# rebuild assets
+
+All module related CSS/JavaScript files can be found in ``build`` directory. To 
+regenerate the modules assets, the ``grunt`` tasks should be used. Please 
+install ``grunt`` and run ``grunt's`` default task to regenerate all minimized 
+``css`` and ``js`` files:
+
+1. To use ``grunt``, ``npm`` is required. Check ``nodejs`` website for 
+installation instructions (https://nodejs.org/en/download/package-manager/). 
+After this, install ``grunt`` globally. 
+
+2. Go to "build" directory and install all related ``grunt`` plugins:
+
+	```
+    npm install
+    ```
+
+3. The module-specific LESS files use the LESS variables of the shop. If you 
+have customized these, you may need to recreate the module assets. Please note, 
+that CSS and JavaScript files were overwritten by module updates. Then run the 
+generation again or better store your customizations in own files.
+
+3. configure "above the fold" stylesheets:
+
+    If you use critical "above the fold" stylesheets, enable the penthouse and 
+    cssmin tasks in ``build/grunt/aliases.yml`` to generate special stylesheet 
+    files. Customize the Penthouse Plugin configuration to your needs in 
+    ``build/grunt/penthouse.js``. Penthouse needs a working shop installation 
+    with the latest stylesheets to run.
+    
+    If the generated above-the-fold style sheets contains formattings, they are 
+    automatically included in the shop source.
+
+4. Now its possible to regenerate module assets by running ``grunt`` default
+task while being in "build" directory:
+
+	```
+	grunt
+	```

src/build/grunt/cssmin.js

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+module.exports = {
+    options: {
+        mergeIntoShorthands: false,
+        roundingPrecision: -1
+    },
+    target: {
+        files: [{
+            expand: true,
+            cwd: '../out/src/css/abovethefold',
+            src: ['*.css', '!*.min.css'],
+            dest: '../out/src/css/abovethefold',
+            ext: '.min.css'
+        }]
+    }
+};

src/build/grunt/penthouse.js

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+module.exports = {
+    allthemes : {
+        outfile: '../out/src/css/abovethefold/d3extsearch_allthemes.css',
+        css: '../out/src/css/d3extsearch_allthemes.min.css',
+        url: 'https://myshop.local/',
+        width : 1300,
+        height : 400,
+        skipErrors : false
+    },
+    flow : {
+        outfile: '../out/src/css/abovethefold/d3extsearch_flow.css',
+        css: '../out/src/css/d3extsearch_flow.min.css',
+        url: 'https://myshop.local/',
+        width : 1300,
+        height : 400,
+        skipErrors : false
+    },
+    azure : {
+        outfile: '../out/src/css/abovethefold/d3extsearch_azure.css',
+        css: '../out/src/css/d3extsearch_azure.min.css',
+        url: 'https://myshop.local/',
+        width : 1300,
+        height : 400,
+        skipErrors : false
+    },
+    mobile : {
+        outfile: '../out/src/css/abovethefold/d3extsearch_mobile.css',
+        css: '../out/src/css/d3extsearch_mobile.min.css',
+        url: 'https://myshop.local/',
+        width : 1300,
+        height : 400,
+        skipErrors : false
+    },
+    slider : {
+        outfile: '../out/src/css/abovethefold/d3extsearch_slider.css',
+        css: '../out/src/css/d3extsearch_slider.min.css',
+        url: 'https://myshop.local/',
+        width : 1300,
+        height : 400,
+        skipErrors : false
+    }
+};