Changed API reference to Nuget
Fixed referencing issue
Allow NuGet packages to be referenced from either toolkit or toolkit samples locations
Merge pull request #102 from Esri/zwaap/nugetImportsFixes

Make runtime .targets imports location agnostic
Removed extra build options
Fixes issue with package install path specified in NuGet.config by adding NuGet.config at repo root to specify package location for repo.
Merge pull request #104 from Esri/zwaap/nugetRepoPathFix

Specify package install location for repo
Unified build locations
Minor path fixes
Merge pull request #101 from Esri/akajanus-nuget-api-reference

Changed API reference to Nuget