ConnectionManager overhaul

- connection settings are now changed by seperate component currently called in a seperate window
- old settings pane on the right of the connections had been removed
- new edit config button added between new connection and remove connection

pglablib/ConnectionConfig.h

@@ -26,7 +26,7 @@ class QString;
 
 class ConnectionConfig {
 public:
-	ConnectionConfig();
+	ConnectionConfig(); // Default object containing invalid uuid
 
 	void setUuid(const QUuid &uuid);
 	const QUuid &uuid() const;
@@ -79,6 +79,8 @@ public:
 
 	bool dirty() const;
 	void clean();
+
+	bool operator==(QUuid id) const { return m_uuid == id; }
 private:
 	QUuid m_uuid;
 	std::string m_name;