several improvements and bugfixes

+ rework GUI
  - include a combobox for selection of visibility
  - include a checkbox wether validation should be done in the client
  - remove unused lineEdit
+ improve datatypes
+ improve tests for new descriptive data
+ metaclasse: fix overlooked read_* or write_* func's
+ improve polling
+ Introduce new ErrorClasses
+ dispatcher: use new features of datatypes + PARAMS
+ improve lib
+ autopep8
+ first working version of MLZ_entangle integration
+ split specific stuff into it's own package (MLZ,demo,ess)

Change-Id: I8ac3ce871b28f44afecbba6332ca741095426712

secop/gui/mainwindow.py

@@ -71,7 +71,6 @@ class MainWindow(QMainWindow):
         loadUi(self, 'mainwindow.ui')
 
         self.toolBar.hide()
-        self.lineEdit.hide()
 
         self.splitter.setStretchFactor(0, 1)
         self.splitter.setStretchFactor(1, 70)
@@ -108,6 +107,13 @@ class MainWindow(QMainWindow):
             QMessageBox.critical(self.parent(),
                                  'Connecting to %s failed!' % host, str(e))
 
+    def on_validateCheckBox_toggled(self, state):
+        print "validateCheckBox_toggled", state
+
+    def on_visibilityComboBox_activated(self, level):
+        if level in ['user', 'admin', 'expert']:
+            print "visibility Level now:", level
+
     def on_treeWidget_currentItemChanged(self, current, previous):
         if current.type() == ITEM_TYPE_NODE:
             self._displayNode(current.text(0))