change name from reftek_data/reftek_reader/reftek_helper.py to reftek_data/reftek_reader/reftek_reader_helper.py

move read_text() from mseed_helper.py to general_data_helper.py; Unpacker from record_reader_helper.py to general_record_helper.py because they will be used by reftek

Change the way RT130 data is read for better performance

See merge request !139

Remove noneed plotting code

See merge request !147

Change to use matplotlib's lim for zooming

See merge request !145

plot SOH channels in user's order

Closes #110

See merge request !128

fix bug lacking of chan_db_info argument when calling set_axes_ylim()

Closes #121

See merge request !144

Fix Gps issues

See merge request !141

Change read_mseed_channels to use MSeed's RecordReader and apply is_multiplex

See merge request !140

perform finalize only once after data loaded

See merge request !142

fixing displayed extreme values for channels

Closes #104 and #96

See merge request !120

connect GUI to new mseed

See merge request !138

handle no known data detected

See merge request !137

combine get wf plot info to get chan plot info

Closes #112

See merge request !131

write new mseed that use record_reader for fast and simple data

See merge request !134