relax SVN archive

Commented out the header.

Deleted the test_read_peak_list_generic2() system test.

This was just duplicating test_read_peak_list_generic().

Redesigned the test_read_peak_list_generic() system test.

Renamed generic_intensity2.txt to generic_intensity.txt.

Removed some unneeded files.

The relaxation delays will be placed into the script itself, and the generic_intensity2.txt file
will replace generic_intensity.txt.

Fixes for the system tests to use the new 'align_id' args.

Docstring spelling mistake fix - 'spid_id_col' should be 'spin_id_col'!

Renamed all the alignment ID args and variables 'id' to 'align_id' in the RDC and PCS user fns.

Bug fixes for the RDC and PCS read() functions.

The alignment tensor ID had the same variable name as the spin ID!

Header realignment.