+ added OfficeDevToolsVS2012Online package

Added OfficeDevToolsVS2012Online package to support automated "Office
Developer Tools for Visual Studio 2012" installation. Get more info
here:
-
http://www.microsoft.com/visualstudio/eng/office-dev-tools-for-visual-studio
- http://aka.ms/OfficeDevToolsForVS2012
+ added SPCAFOnline package

+ added SPCAFOnline package to support unattended installation of SPCAF
+added powerguivsx
+ added spsf/GAX packages

Suppose, the dependency on GAX should be resolved after GAX publishing
to chocolatey gallery?
+ added awesome SP2013PreReqsOnline package

Really awesome SP2013PreReqsOnline package for downloading SP2013
Merge pull request #1 from avishnyakov/master

Added new modules to enhance SharePoint tooling with chocolatey packages