Add version="[3,4)" restrictions to v3 NuGet packages so they're restricted to v3 dependencies
Update TeamCity Build.proj to pack servicestack.text.nuspec instead
Update Build.proj add SL5 builds, symbols, overridable PatchVersion
remove unused props in Build.proj
Update build.proj to make it more consistent
Make build files consistent across all projs
move to lower build.proj
add copy.bat
Merge pull request #373 from ServiceStack/v3

Sync with V3
Keep consistent NuGet structure, update NuGet.exe
Merge pull request #374 from ServiceStack/v3

resync with V3 after 1st successful CI NuGet deploy
Merge pull request #375 from ServiceStack/master

re-sync v3-fixes