refs #482: supports of --engine=slimerjs

This options allows to use SlimerJS (gecko) instead of PhantomJS (webkit)

@@ -148,6 +148,7 @@ casper.on('page.resource.requested', function(requestData, request) {
 ### Bugfixes & enhancements
 
 - heavy lifting of casperjs bootstrap script
+- closed [#482](https://github.com/n1k0/casperjs/issues/482) - support of Gecko (Firefox's engine) with [SlimerJS](http://slimerjs.org): new option --engine=slimerjs (experimental)
 - fixed [#387](https://github.com/n1k0/casperjs/issues/387) - Setting viewport isn't quite synchronous
 - fixed [#410](https://github.com/n1k0/casperjs/issues/410) - trigger `mousedown` and `mousedown` events on click
 - fixed [#433](https://github.com/n1k0/casperjs/issues/433) - `assertField("field", "")` will always pass even though the `field` doesn't exist

@@ -12,7 +12,8 @@
 >- ![Build Status](https://travis-ci.org/n1k0/casperjs.png?branch=1.0) `1.0` branch
 >- ![Build Status](https://travis-ci.org/n1k0/casperjs.png?branch=master) `master` branch
 
-CasperJS is a navigation scripting & testing utility for [PhantomJS](http://www.phantomjs.org/).
+CasperJS is a navigation scripting & testing utility for [PhantomJS](http://www.phantomjs.org/)
+and [SlimerJS](http://slimerjs.org/).
 It eases the process of defining a full navigation scenario and provides useful
 high-level functions, methods & syntaxic sugar for doing common tasks such as:
 

@@ -31,11 +31,56 @@ SUPPORTED_ENGINES = {
             'remote-debugger-autorun',
             'script-encoding',
             'ssl-protocol',
+            'ssl-certificates-path',
             'web-security',
+            'webdriver',
+            'webdriver-logfile',
+            'webdriver-loglevel'
+            'webdriver-selenium-grid-hub',
+            'wd',
+            'w',
         ],
         'env_varname': 'PHANTOMJS_EXECUTABLE',
         'default_exec' : 'phantomjs'
-    }
+    },
+    'slimerjs': {
+        'native_args': [
+            'P',
+            'jsconsole',
+            'CreateProfile',
+            'profile',
+            #phantomjs options
+            'cookies-file',
+            'config',
+            'debug',
+            'disk-cache',
+            'ignore-ssl-errors',
+            'load-images',
+            'load-plugins',
+            'local-storage-path',
+            'local-storage-quota',
+            'local-to-remote-url-access',
+            'max-disk-cache-size',
+            'output-encoding',
+            'proxy',
+            'proxy-auth',
+            'proxy-type',
+            'remote-debugger-port',
+            'remote-debugger-autorun',
+            'script-encoding',
+            'ssl-protocol',
+            'ssl-certificates-path',
+            'web-security',
+            'webdriver',
+            'webdriver-logfile',
+            'webdriver-loglevel'
+            'webdriver-selenium-grid-hub',
+            'wd',
+            'w',
+        ],
+        'env_varname': 'SLIMERJS_EXECUTABLE',
+        'default_exec' : 'slimerjs'
+    },
 }
 
 ENGINE = 'phantomjs'

@@ -89,10 +89,12 @@ Execution results:
 
 .. index:: Logging, log levels
 
-The `casperjs` command has two available options:
+The `casperjs` command has three available options:
 
 - ``--direct``: to prints out log messages to the console
 - ``--log-level=[debug|info|warning|error]`` to set the :ref:`logging level <logging>`
+- ``--engine=[phantomjs|slimerjs]`` to select the browser engine you want to use. CasperJS
+   supports PhantomJS (default) that runs Webkit, and SlimerJS that runs Gecko.
 
 Example:
 
@@ -109,7 +111,7 @@ Last but not least, you can still use all PhantomJS standard CLI options as you
 .. hint::
 
    To remember what the native phantomjs available cli options are, run the ``phantomjs --help`` command.
-
+   SlimerJS supports almost same options as PhantomJS.
 
 .. index:: Raw values
 

@@ -10,11 +10,15 @@ CasperJS can be installed on most Linuxes, OSX and Windows.
 Prerequisites
 -------------
 
-.. index:: PhantomJS, Python
+.. index:: PhantomJS, Python, SlimerJS
 
 - PhantomJS_ 1.8.1 or greater. Installation instructions can be found `here <http://phantomjs.org/download.html>`_
 - Python_ 2.6 or greater
 
+.. versionadded:: 1.1
+
+- Experimental: SlimerJS_ 0.7 or greater to run your tests against Gecko (Firefox) instead of Webkit.
+
 .. note::
 
    .. versionadded:: 1.0
@@ -167,3 +171,4 @@ Known Bugs & Limitations
 
 .. _PhantomJS: http://phantomjs.org/
 .. _Python: http://python.org/
+.. _SlimerJS: http://slimerjs.org/