complete move of truetype, afm and standard14 fonts

the 3 font types mentioned are moved to the new fonts project, any referenced types are moved to the core project. most truetype classes are made public #8.

src/UglyToad.PdfPig/Graphics/Operations/OperationWriteHelper.cs

@@ -2,7 +2,7 @@
 {
     using System;
     using System.IO;
-    using Util;
+    using PdfPig.Core;
 
     internal static class OperationWriteHelper
     {

src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendDualControlPointBezierCurve.cs

@@ -1,7 +1,7 @@
 namespace UglyToad.PdfPig.Graphics.Operations.PathConstruction
 {
     using System.IO;
-    using Geometry;
+    using PdfPig.Core;
 
     /// <inheritdoc />
     /// <summary>

src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendEndControlPointBezierCurve.cs

@@ -1,7 +1,7 @@
 namespace UglyToad.PdfPig.Graphics.Operations.PathConstruction
 {
     using System.IO;
-    using Geometry;
+    using PdfPig.Core;
 
     /// <inheritdoc />
     /// <summary>
@@ -10,7 +10,6 @@
     /// </summary>
     public class AppendEndControlPointBezierCurve : IGraphicsStateOperation
     {
-
         /// <summary>
         /// The symbol for this operation in a stream.
         /// </summary>

src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendRectangle.cs

@@ -1,7 +1,7 @@
 namespace UglyToad.PdfPig.Graphics.Operations.PathConstruction
 {
     using System.IO;
-    using Geometry;
+    using PdfPig.Core;
 
     /// <inheritdoc />
     /// <remarks>

src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendStartControlPointBezierCurve.cs

@@ -1,7 +1,7 @@
 namespace UglyToad.PdfPig.Graphics.Operations.PathConstruction
 {
     using System.IO;
-    using Geometry;
+    using PdfPig.Core;
 
     /// <inheritdoc />
     /// <summary>

src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/AppendStraightLineSegment.cs

@@ -1,7 +1,7 @@
 namespace UglyToad.PdfPig.Graphics.Operations.PathConstruction
 {
     using System.IO;
-    using Geometry;
+    using PdfPig.Core;
 
     /// <inheritdoc />
     /// <summary>

src/UglyToad.PdfPig/Graphics/Operations/PathConstruction/BeginNewSubpath.cs

@@ -1,7 +1,7 @@
 namespace UglyToad.PdfPig.Graphics.Operations.PathConstruction
 {
     using System.IO;
-    using Geometry;
+    using PdfPig.Core;
 
     /// <inheritdoc />
     /// <summary>

src/UglyToad.PdfPig/Graphics/Operations/TextShowing/ShowText.cs

@@ -1,8 +1,7 @@
 namespace UglyToad.PdfPig.Graphics.Operations.TextShowing
 {
     using System.IO;
-    using IO;
-    using Util;
+    using PdfPig.Core;
     using Util.JetBrains.Annotations;
 
     /// <inheritdoc />

src/UglyToad.PdfPig/Graphics/ReflectionGraphicsStateOperationFactory.cs

@@ -4,7 +4,6 @@ namespace UglyToad.PdfPig.Graphics
     using System.Collections.Generic;
     using System.Linq;
     using System.Reflection;
-    using Exceptions;
     using Operations;
     using Operations.ClippingPaths;
     using Operations.Compatibility;
@@ -17,6 +16,7 @@ namespace UglyToad.PdfPig.Graphics
     using Operations.TextPositioning;
     using Operations.TextShowing;
     using Operations.TextState;
+    using PdfPig.Core;
     using Tokens;
 
     internal class ReflectionGraphicsStateOperationFactory : IGraphicsStateOperationFactory