fix: support for FSL 5.0.7 changes to FILM_GLS
enh: added script for using ANTS instead of FNIRT for openfmri processing
sty: white spaces
Merge pull request #899 from satra/fix/fsl_507

FIX: updates to address changes in FILM_GLS and FSLMaths in FSL 5.0.7
Fix: warnings complaining the IPython lexer

When building docs, sphinx was spiting out warnings because IPython's
lexers are unknown. Added the necessary extensions to sphinx config
file.
Merge pull request #901 from oesteban/bug/AddIPythonLexer

Fix: warnings complaining about unknown IPython lexer