Merge pull request #1 from yarikoptic/master

ENH: make description of NeuroDebian and PyMVPA a bit more 'hands-on'
Minor update
Acknowledge OvGU
Fix carousel slider
Simple jinja cmdline adaptor.

Found at http://pythonwise.blogspot.de/2013/07/command-line-front-end-to-jinja2.html
Add data rules to Makefile + fix fixes
OvGU logo
Complete draft of the T2w modality page
Complete pages for most structural data
LIN logo
Page on surfaces (with XTK viewer)
Improve help text.
Update papaya.
Add missing XTK links.
Page for annotations.
Slow physio plot.
Add missing menu item.
FMRI page.
Functional data first.
Better papaya than ever