intergrate rt130

closes #70 (closed)

• Change folders'name: model/reftek => model/reftek_data; model/reftek/reftek_data => model/reftek_data/reftek_reader
• move common functions between reftek_data and mseed_data from mseed_data to general_data
• Modify code to make new reftek works with others

sohstationviewer/model/reftek_data/reftek.py

@@ -129,6 +129,8 @@ class RT130(GeneralData):
             total = sum([len(files) for _, _, files in os.walk(self.dir)])
 
         for folder in folders:
+            if not os.path.isdir(folder):
+                raise ProcessingDataError(f"Path '{folder}' not exist")
             for path, subdirs, files in os.walk(folder):
                 for file_name in files:
                     if self.creator_thread.isInterruptionRequested():