Implemented basic keyframes

src/Artemis.UI/Services/Interfaces/IProfileEditorService.cs

@@ -7,15 +7,36 @@ namespace Artemis.UI.Services.Interfaces
     {
         Profile SelectedProfile { get; }
         ProfileElement SelectedProfileElement { get; }
+        TimeSpan CurrentTime { get; set; }
 
         void ChangeSelectedProfile(Profile profile);
         void UpdateSelectedProfile();
         void ChangeSelectedProfileElement(ProfileElement profileElement);
         void UpdateSelectedProfileElement();
 
+        /// <summary>
+        ///     Occurs when a new profile is selected
+        /// </summary>
         event EventHandler SelectedProfileChanged;
+
+        /// <summary>
+        ///     Occurs then the currently selected profile is updated
+        /// </summary>
         event EventHandler SelectedProfileUpdated;
+
+        /// <summary>
+        ///     Occurs when a new profile element is selected
+        /// </summary>
         event EventHandler SelectedProfileElementChanged;
+
+        /// <summary>
+        ///     Occurs when the currently selected profile element is updated
+        /// </summary>
         event EventHandler SelectedProfileElementUpdated;
+
+        /// <summary>
+        ///     Occurs when the current editor time is changed
+        /// </summary>
+        event EventHandler CurrentTimeChanged;
     }
 }