Work CI-CD

- Update tools version and target framework.

***NO_CI***

Author: josesimoes

Tests/MathUnitTests/packages.config

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.12.0" targetFramework="netnanoframework10" />
-  <package id="nanoFramework.TestFramework" version="2.0.43" targetFramework="netnanoframework10" developmentDependency="true" />
+  <package id="nanoFramework.CoreLibrary" version="1.12.0" targetFramework="netnano1.0" />
+  <package id="nanoFramework.TestFramework" version="2.0.43" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>

nanoFramework.System.Math/nanoFramework.System.Math.nfproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="Current" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="..\packages\Nerdbank.GitVersioning.3.5.113\build\Nerdbank.GitVersioning.props" Condition="Exists('..\packages\Nerdbank.GitVersioning.3.5.113\build\Nerdbank.GitVersioning.props')" />
   <PropertyGroup Label="Globals">
     <NanoFrameworkProjectSystemPath>$(MSBuildExtensionsPath)\nanoFramework\v1.0\</NanoFrameworkProjectSystemPath>

nanoFramework.System.Math/packages.config

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="nanoFramework.CoreLibrary" version="1.12.0" targetFramework="netnanoframework10" />
-  <package id="Nerdbank.GitVersioning" version="3.5.113" developmentDependency="true" targetFramework="netnanoframework10" />
+  <package id="nanoFramework.CoreLibrary" version="1.12.0" targetFramework="netnano1.0" />
+  <package id="Nerdbank.GitVersioning" version="3.5.113" developmentDependency="true" targetFramework="netnano1.0" />
 </packages>