Removed appendices from documentation (obsolete).

Merge branch 'master' into hdf5

Added IRIS atoms and updated run_example

Now added the Mg II and C II to be used with IRIS calculations. Also
updated the keyword.input with latest options and made it clearer.

Added IRIS atoms and updated run_example

Now added the Mg II and C II to be used with IRIS calculations. Also
updated the keyword.input with latest options and made it clearer.

fixed memory leak with FIELD_FREE

Fixed important memory leak that happened when FIELD_FREE was selected.
Also did a general cleanup of used code.

v1.1 first fully consistent with git