added GitVersion.Abstractions

Author: arturcic

src/GitVersion.Core/Logging/Abstractions/IConsole.cs renamed to src/GitVersion.Abstractions/Common/IConsole.cs

@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <PackageId>GitVersion.Abstractions</PackageId>
+        <Title>GitVersion</Title>
+        <Description>Derives SemVer information from a repository following GitFlow or GitHubFlow. This is the Core library which both GitVersion cli and Task use allowing programatic usage of GitVersion.</Description>
+
+        <Product>$(AssemblyName)</Product>
+    </PropertyGroup>
+
+</Project>

src/GitVersion.Core/Core/Abstractions/IEnvironment.cs renamed to src/GitVersion.Abstractions/Common/IEnvironment.cs

@@ -4,6 +4,7 @@
         <PackageReference Include="Mono.Cecil" />
     </ItemGroup>
     <ItemGroup>
+        <ProjectReference Include="..\GitVersion.Abstractions\GitVersion.Abstractions.csproj" />
         <ProjectReference Include="..\GitVersion.Core\GitVersion.Core.csproj" />
         <ProjectReference Include="..\GitVersion.App\GitVersion.App.csproj" />
     </ItemGroup>

src/GitVersion.Core/Core/Abstractions/IFileSystem.cs renamed to src/GitVersion.Abstractions/Common/IFileSystem.cs

@@ -13,6 +13,7 @@
         <PackageReference Include="YamlDotNet" />
     </ItemGroup>
     <ItemGroup>
+        <ProjectReference Include="..\GitVersion.Abstractions\GitVersion.Abstractions.csproj" />
         <ProjectReference Include="..\GitVersion.BuildAgents\GitVersion.BuildAgents.csproj" />
         <ProjectReference Include="..\GitVersion.LibGit2Sharp\GitVersion.LibGit2Sharp.csproj" />
         <ProjectReference Include="..\GitVersion.Core\GitVersion.Core.csproj" />