Simple test project with one package and a project.m file
{
"author"->
{
"name" -> "Leonid Shifrin",
"email" -> "lshifr@gmail.com",
"url" -> "http://www.mathprogramming-intro.org"
},
"name" -> "Test1",
"Description"-> "Simple test project for the installer",
"url" -> "https://gist.github.com/gists/4143468/download",
"license" -> "MIT"
}
BeginPackage["Test1`"]
f[x_]:=x^2;
EndPackage[]