Merge branch 'devel'

TODO

pub/CMakeLists.txt

pub/lib/commands.cpp

pub/lib/coord.cpp

pub/lib/coord.hpp

pub/lib/expr.cpp

pub/lib/file_in.cpp

pub/lib/import.cpp

pub/lib/obj.hpp

pub/lib/plot.cpp

pub/lib/toplevel.cpp

pub/plot/dualplot.cpp

pub/plot/dualplot.hpp

pub/plot/gnuplotter.cpp

pub/plot/ps_plotter.cpp

pub/plot/ps_plotter.hpp

pub/readplus/macro.hpp

pub/share/CMakeLists.txt

pub/share/frida.ini.in

pub/share/plot_symbol_legend.ps