(#89) Grunt work for getting MyGet Build Setup

- Added CommonAssembly Files to Chocolatey.Gui Project
- Updated main AssemblyInfo File
(#89) Grunt work for getting MyGet Build Setup

- Updated psake script to look at the Chocolatey.Gui.sln instead of old
one
(#89) Grunt work for getting MyGet Build Setup

- Used the EmbedCab attribute to combine the generated .cab file into
the generated .msi file
(#89) Grunt work for getting MyGet Build Setup

- Due to the change in MSI name, updated the ChocolateyInstall.ps1 file
to look for the right name
(#89) Grunt work for getting MyGet Build Setup

- Updated the nuspec file to be correct based on the recent changes, i.e
changed owner, necessary files to be included, etc
- Corrected some spelling mistakes