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

display tracking info when start reading new files

Closes #102

See merge request !127

save plot as a file

Closes #60

See merge request !106

tps scrollbar, label's position, color, height for each

Closes #88

See merge request !136

Fix bug Event DS not plotted

Closes #111 and #105

See merge request !121

Fix gps lk unlk plotting - coloring, positioning label

Closes #109

See merge request !126

Fix DSP Clock Diff channel not display

See merge request !129

report and skip if can't read a file in RT130

Closes #114

See merge request !130

Fast MSEED read

See merge request !132

fix bug no ruler showup when no TPS data

Closes #113

See merge request !125

Fix previous plot still showing when re-plotting after zooming in

See merge request !115

separate  data at gaps/overlaps

Closes #100

See merge request !119

Showing gap bar in waveform widget

Closes #91

See merge request !117