Converted DEVGUIDE and TESTGUIDE from html to markdown format

commit 79997e76c25f8e545551fbf2e08f060fa0a1c23a
Author: latkin <latkin@microsoft.com>
Date:   Mon Jan 12 22:46:29 2015 -0800

    Minor editing

commit aad8773e80380be2ffadf69de4090f396a39113a
Merge: d897997 97aee98
Author: latkin <latkin@microsoft.com>
Date:   Mon Jan 12 20:35:11 2015 -0800

    Merge branch 'doc_markdown' of https://git01.codeplex.com/forks/esada/fsharp

    Conflicts:
    	DEVGUIDE.html

commit 97aee9818410b1d5a6c4b995af94205a889d302b
Author: enricosada <enrico@sada.io>
Date:   Thu Nov 27 21:07:40 2014 +0100

    converted readme from html to markdown format

Author: enricosada