relax SVN archive

Fix for letting ShereKhan user function write the time_T2 correct.

bug #21995: (https://gna.org/bugs/index.php?21995) Creating sherekhan input files, with data for several fields and different time_T2

Turning off local dir writing in systemtest and set the correct time_T2.

bug #21995: (https://gna.org/bugs/index.php?21995) Creating sherekhan input files, with data for several fields and different time_T2

Modified the relax_disp.sherekhan_input to accept dir as input.

bug #21995: (https://gna.org/bugs/index.php?21995) Creating sherekhan input files, with data for several fields and different time_T2

Added "dir" as input to the userfunction relax_disp.sherekhan_input in systemtest.

bug #21995: (https://gna.org/bugs/index.php?21995) Creating sherekhan input files, with data for several fields and different time_T2

Made testing of files for systemtest -s Relax_disp.test_sod1wt_t25_to_sherekhan_input.

bug #21995: (https://gna.org/bugs/index.php?21995) Creating sherekhan input files, with data for several fields and different time_T2

WARNING: The sherekhan user function will write to current directory!.

Removed the necessity that len(cdp.relax_time_list) = 1 when issuing the sherekhan input user function.

bug #21995: (https://gna.org/bugs/index.php?21995) Creating sherekhan input files, with data for several fields and different time_T2

Created systemtest to catch the error -s Relax_disp.test_sod1wt_t25_to_sherekhan_input.

bug #21995: (https://gna.org/bugs/index.php?21995) Creating sherekhan input files, with data for several fields and different time_T2

Fix for fatal print command left over.

Added a paragraph to the clustering section of the dispersion chapter covering parameter copying.

This explains the purpose of the relax_disp.parameter_copy user function.

Fix for the relax_disp.parameter_copy user function description.

The parameters are not averaged but instead the median value from all spins is taken.