adds MultipleAlignment documentation
improves doc in procrustes.py
Hotfix: fixes scipy 0.14 indexing complaints for PCAModel
adds procrustes tess
removes prints
fixes bug
tidy up target kwarg
Merge pull request #286 from ja310/hotfix_model_indexing

Hotfix: fixes scipy 0.14 indexing complaints for PCAModel
Merge pull request #287 from nontas/procrustes_tests

Procrustes tests
remove totally unused Exceptions
Merge pull request #290 from jabooth/rmshapeexccept

remove totally unused shape Exceptions
remove install instructions (are in wiki now)
Merge pull request #292 from jabooth/rminstall

remove install instructions (are in wiki now)