relax SVN archive

Converted all class methods to module functions.

Converted the results.write() force arg to a bool.

Converted the relax_data.write() force arg to a bool.

Fixed all calls to diffusion_tensor.init().

Bug fix for the fixed arg test of the diffusion_tensor.init() user function.

Fixes for the docstring of the diffusion_tensor.init() user function.

Converted the fixed arg to the diffusion_tensor.init() user function to be a bool.

Fix for the errors arg test of the align_tensor.init() user function.

Converted the align_tensor.init() errors argument to a bool.

Epydoc fixes.