relax SVN archive

The tables in the user function chapter now have the same font size as the rest of the text.

Massive tables in the relax manual are now being split using the longtable package.

Allowed for hyphenation in the user function subsection titles.

User function call examples in the relax manual are now better formatted.

They are allowed to break after '.', '(', and '='. This is for the examples and the Defaults
subsubsection.

Modified the spin ID string documentation to be better presented in the relax manual.

Added rules to break the user function subsections in the manual apart.

Fixes for the align_tensor.svd() docstring for the relax manual.

Switched from the multicols package to just using \twocolumn and \onecolumn.

Clean up of the minimisation docstring.

This no longer causes problems in the relax manual.

Turned all tables from the user functions in the relax manual into floating tables.