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

round min_y, max_y to 2 decimal places

Closes #97

See merge request !116

Replot for TPS to apply colorange inside TPS only

Closes #85

See merge request !113

change MP? to MassPos? in DB. It's been changed before. But for some reason, it went back to MP?

See merge request !114