Added the functionality to accept recon matrix as input to StaticProjectionMapper
ENH: cleanup of StaticProjectionMapper docs/code
ENH: Mapped._forward/reverse_dataset -- assure consistent length of .fa/.sa

Some of the mappers do that in derived classes but IMHO it is better
to take this custom burden away since it is error-prone as was shown
by Swaroop's StaticProjectionMapper
Rename README to README.rst to provide more markup
DOC: added |build-status| for travis-ci into README.rst
Add actual content for |build-status|
Merge pull request #104 from nno/master

minor enhancements/bugfixes
Merge branch 'master' of https://github.com/PyMVPA/PyMVPA
BF: Do not use reload in unittests (also breaks PY3)

were initially introduced while interactively working on those tests
PY3: to get size "half" -- use // (is still broken in python3)
Merge branch 'master' of http://github.com/yarikoptic/PyMVPA
ENH: afni_niml_dset more lenient (=powerful) in storing values in non-typical data fields
NF: limited support for storing Datasets in NIML format. typical use case is viewing searchlight results in AFNI SUMA
ENH: unit tests for Dataset-NIML format conversions