ProvisionigProfile API enhancements

- Add a constructor which takes a byte array (in addition to one which accepts a file name)
- Add a property which allows you to access the underlying property list

Melanzana.CodeSign/ProvisioningProfile.cs

@@ -8,15 +8,19 @@ public class ProvisioningProfile
     {
         private readonly NSDictionary plist;
 
-        public ProvisioningProfile(string fileName)
+        public ProvisioningProfile(byte[] bytes)
         {
             var signedCms = new SignedCms();
-            signedCms.Decode(File.ReadAllBytes(fileName));
+            signedCms.Decode(bytes);
             var contentInfo = signedCms.ContentInfo;
             var content = contentInfo.Content;
 
             plist = (NSDictionary)XmlPropertyListParser.Parse(content);
+        }
 
+        public ProvisioningProfile(string fileName)
+            : this(File.ReadAllBytes(fileName))
+        {
         }
 
         public IList<string> TeamIdentifiers => GetStringArray("TeamIdentifier");
@@ -51,6 +55,8 @@ private IList<string> GetStringArray(string name)
 
         public override string ToString() => this.Name;
 
+        public NSDictionary PropertyList => this.PropertyList;
+
         public void Save(string filename)
         {
             File.WriteAllText(filename, this.plist.ToXmlPropertyList());