use "writeFromFile" in atom-coderoad@0.12

Author: ShMcK

CHANGELOG.md

@@ -2,6 +2,9 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.7.0] - 2016-08-16
+- use new "writeFromFile" action in atom-coderoad@0.12
+
 ## [0.6.0] - 2016-08-15
 - update for mocha-coderoad v0.10
 - removed loaders in favor of new syntax