Started work on profiles

src/Artemis.Core/Services/Storage/Interfaces/IProfileService.cs

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+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Artemis.Core.Models.Profile;
+using Artemis.Core.Plugins.Abstract;
+using Artemis.Core.Services.Interfaces;
+
+namespace Artemis.Core.Services.Storage.Interfaces
+{
+    public interface IProfileService : IArtemisService
+    {
+        Task<ICollection<Profile>> GetProfiles(ProfileModule module);
+        Task<Profile> GetActiveProfile(ProfileModule module);
+    }
+}

src/Artemis.Core/Services/Storage/Interfaces/ISurfaceService.cs

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+using System;
+using System.Collections.ObjectModel;
+using Artemis.Core.Events;
+using Artemis.Core.Models.Surface;
+using Artemis.Core.Services.Interfaces;
+
+namespace Artemis.Core.Services.Storage.Interfaces
+{
+    public interface ISurfaceService : IArtemisService
+    {
+        /// <summary>
+        ///     Gets the currently active surface entity, to change config use <see cref="SetActiveSurfaceConfiguration" />
+        /// </summary>
+        Surface ActiveSurface { get; }
+
+        /// <summary>
+        ///     Gets a read-only list of all surface configurations
+        /// </summary>
+        ReadOnlyCollection<Surface> SurfaceConfigurations { get; }
+
+        /// <summary>
+        ///     Creates a new surface entity with the supplied name
+        /// </summary>
+        /// <param name="name">The name for the new surface entity</param>
+        /// <returns></returns>
+        Surface CreateSurfaceConfiguration(string name);
+
+        /// <summary>
+        ///     Sets the provided entity as active and applies it to the surface
+        /// </summary>
+        /// <param name="surface">The entity to activate and apply</param>
+        void SetActiveSurfaceConfiguration(Surface surface);
+
+        /// <summary>
+        ///     Saves the provided surface entity to permanent storage and if config is active, applies it to the surface
+        /// </summary>
+        /// <param name="surface">The entity to save (and apply if active)</param>
+        /// <param name="includeDevices">Whether to also save devices. If false, devices changes won't be applied either</param>
+        void UpdateSurfaceConfiguration(Surface surface, bool includeDevices);
+
+        /// <summary>
+        ///     Deletes the supplied surface entity, surface entity may not be the active surface entity
+        /// </summary>
+        /// <param name="surface">The surface entity to delete, may not be the active surface entity</param>
+        void DeleteSurfaceConfiguration(Surface surface);
+
+        /// <summary>
+        ///     Occurs when the active device entity has been changed
+        /// </summary>
+        event EventHandler<SurfaceConfigurationEventArgs> ActiveSurfaceConfigurationChanged;
+    }
+}