refactor a good bit of stuff for better dependency injection

fix regular expression for T6 log parsing

SharedLibraryCore/Interfaces/IBasePathProvider.cs

@@ -0,0 +1,14 @@
+namespace SharedLibraryCore.Interfaces
+{
+    /// <summary>
+    /// defines the capabilities for providing a base path
+    /// unused as of now, will be used later during refactorying
+    /// </summary>
+    public interface IBasePathProvider
+    {
+        /// <summary>
+        /// working directory of IW4MAdmin
+        /// </summary>
+        string BasePath { get; }
+    }
+}