Repackage Dapper.EF to fix System.Runtime; deploy as .52; fix xunit r…

…efs; add test for DapperLib#570

1.50.1 deploy

Merge pull request DapperLib#538 from cremor/fix-syntax-errors

Fixed some syntax errors in project.json files

.Net Core 1.0 RTM update

Fix DapperLib#524 - `GridReader` should use the same conversion code …

…as the regular reader

Switch version suffix to be a build parameter

Note: build.sh needs love from OS X/*nix later to match

Switch version suffix to be a build parameter

Note: build.sh needs love from OS X/*nix later to match