Add append project name parameter to Octopack publish path
Adds optional parameter OctoPackAppendProjectToFeed

The parameter is a boolean that appends the project name onto the end of
the nuget repository url.  The purpose of this is to organize packages
into a structure such as [orgName]/[packageName]/[PackageName].[Version].nupkg
Updates readme to include a reference to the changes and adds space to targets file
Merge pull request #53 from cvent/bmontague-add-append-project

Add append project option to nuget publish feed