Updates, Improvements, and Fixes

* Moved scripts / runner to separate package
    allows future replacement with PS Plugin.
* Fixed issues with Refresh and removed "layer" function.
* Added github documentation via godocdown.
* Reduced number of calls to Panic.
* Updated Tests
* Updated documentation.
* Fixed warnings.
* .gitignore now ignores .test and .out files.

README.md

@@ -1,2 +1,13 @@
 # ps
-Interface from Golang to Adobe Photoshop (CS5)
+[![GoDoc](https://godoc.org/github.com/sbrow/ps?status.svg)](https://godoc.org/github.com/sbrow/ps) [![Build Status](https://travis-ci.org/sbrow/ps.svg?branch=master)](https://travis-ci.org/sbrow/ps) [![Coverage Status](https://coveralls.io/repos/github/sbrow/ps/badge.svg?branch=master)](https://coveralls.io/github/sbrow/ps?branch=master) [![Go Report Card](https://goreportcard.com/badge/github.com/sbrow/ps)](https://goreportcard.com/report/github.com/sbrow/ps)
+
+Package ps is a rudimentary API between Adobe Photoshop CS5 and Golang. The
+interaction between the two is implemented using Javascript/VBScript.
+
+Currently only supports Photoshop CS5 Windows x86_64. go:generate godocdown
+-output=README.md
+
+## Installation
+```bash
+$ go get -u github.com/sbrow/ps
+```