Create slimerjs.bat

Still gives error in phantom.jsm line 34
Implements request/response listeners on WebPage
CommonJS File: Implements isDirectory, isReadable, isWritable, isLink, size, makeDirectory, removeDirectory
CommonJS file: import changes from the mozilla addons SDK
Windows support: the envs parameters was not taken account correctly
CommonJS file: implements lastModified(), directory(), base(), extension()
Fix issue #6 - phantom.injectjs: error with unix path under windows