Moved plugins up one level and added new view plugins

openflexure_microscope/plugins/test_plugin/__init__.py

@@ -0,0 +1 @@
+from .plugin import FirstPlugin

openflexure_microscope/plugins/test_plugin/plugin.py

@@ -0,0 +1,14 @@
+from openflexure_microscope.plugins import MicroscopePlugin
+
+
+class FirstPlugin(MicroscopePlugin):
+    """
+    An example Microscope plugin. 
+    """
+    def run(self):
+        """
+        Demonstrate access to Microscope.camera, and Microscope.stage
+        """
+
+        response = "My parent camera is {}, and my parent stage is {}.".format(self.microscope.camera, self.microscope.stage)
+        return response