Merge pull request #3 from yarikoptic/master

minor fixes and rewordings
Post merge adjustments
Minor touches
Fix twitter widget width
Update prize money
Prepare complete challenge page
Update study1 figure
Finishing touch to the challenge
The state with which we went live.
Update access docs
First publication venue
List git-annex as new data access method
Port the entire beast to Pelican
A 7Tad description that sucks less
Convert access page to RST
Various tweaks
No bytecode in Git
Commit theme modifications
Few article drafts
Own remote for theme