Merge branch 'terminal_strip'

* terminal_strip:
  Terminal strip item can saved / loaded to .qet file
  See previous commit...
  Move terminal strip drawer class in is own file
  Fix wrong use of QStringLiteral and QLatin1String
  Double click a TerminalStripItem open the editor
  Minor change about checkable QAction of QetDiagramEditor
  Minor : corrects a minor aesthetic defect when unbridge terminals
  Revamp code
  Add and move terminal strip item are now managed by undo command
  TerminalStripItem : Draw terminal bridge
  Terminal strip item can be added to diagram
  Minor : add QGIUtility namespace

sources/TerminalStrip/terminalstripbridge.cpp

@@ -120,6 +120,14 @@ void TerminalStripBridge::fromXml(const QDomElement &dom_element)
 	}
 }
 
+/**
+ * @brief TerminalStripBridge::uuid
+ * @return The uuid of this terminal
+ */
+QUuid TerminalStripBridge::uuid() const noexcept {
+	return m_uuid;
+}
+
 /**
  * @brief TerminalStripBridge::addTerminals
  * @param real_terminals