Changes for v11 (#6)

* Adding current v11 routines

* updated make_chianti_spec

* Updated files involving advanced models, including updating headers and reading new recombination data files

* updated ch_rad_recomb

* updated ch_diel_recomb

* minor change to ch_calc_ioneq

* Minor change to ch_ioniz_rate_lr, moved make_ioneq_all to obsolete

* updated ch_lookup_gofnt

* changed ch_ss - GDZ

* updated ch_ss

* updated read_scups

* restored earlier version of ch_ss

* updated ch_read_list_ions

* updated wgfa_tidy_masterlist

* updated ch_all_scups2fits

* updated ch_plot_iso_aval and ch_plot_iso_ups

* added ch_plot_all_iso_pops

* updated ch_plot_iso_pops

* updated ch_lookup_all_ions

* updated ch_lookup_gofnt

* Removed unnecessary ch_read_masterlist

* Remove make_ioneq_all that was reinstated to ionrec directory

* removed ch_masterlist

* updated ch_tmax and metastable_levels

* Changed explanations of inputs in gofnt, changed ioneq warning in ch_synthetic

* removed g_of_t (now in obsolete)

* moved ion_interp to obsolete

* removed max_temp (now in obsolete)

* removed pop_solverx (now in obsolete)

* updated two routines

* updated ch_web_linelists

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Co-authored-by: gdz <gd232@cam.ac.uk>
Co-authored-by: pyoung <peter.r.young@nasa.gov>
Co-authored-by: Roger Dufresne <rpd21@cam.ac.uk>