Minor changes in clustering.py and magnitude.py
Merge remote branch 'upstream/master' into dev-reloc
Read SNR threshold in the header
Rearranged magnitude.py
Merge remote branch 'upstream/master' into dev-reloc
Added verify_magnitude_options()
Added a function to write the header of the location file
Changed read/write header in locations.dat
Merge remote branch 'upstream/master' into dev-reloc
Merge remote branch 'upstream/master' into dev-reloc
Cleaned magnitude.py
Generalized magnitude.py
Magnitude plots
Merge pull request #61 from nlanget/dev-reloc

Magnitude