Fixed the build order, so we can build the installer.

Moved UnobservedTaskException handling from the Jira plugin to the MainForm.
Introduced an interface for doing the OCR, to enable building some functionality into the editor.

GreenshotPlugin/Interfaces/IOcrProvider.cs

@@ -0,0 +1,40 @@
+/*
+ * Greenshot - a free and open source screenshot tool
+ * Copyright (C) 2007-2020 Thomas Braun, Jens Klingen, Robin Krom
+ *
+ * For more information see: http://getgreenshot.org/
+ * The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+using Greenshot.Plugin;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Threading.Tasks;
+
+namespace GreenshotPlugin.Interfaces
+{
+    public interface IOcrProvider
+    {
+        Task<OcrInformation> DoOcrAsync(ISurface surface);
+    }
+
+    public class OcrInformation
+    {
+        public string Text { get; set; }
+
+        public IList<(string word, Rectangle location)> Words { get; } = new List<(string, Rectangle)>();
+    }
+}