Updated speakers
Added the speaker files
Merge branch 'master' of https://github.com/zhanrnl/sumo-hakyll

Conflicts:
	pdfs/acceptable-answer-formats.pdf
	pdfs/mathematical-expectations.pdf
Merge branch 'master' of github.com:zhanrnl/sumo-hakyll
Silly Raymond it's "notions", not "notations" :P
Add SMT 2011-12 tests/solutions, h1 border
Add SMT logo to SMT main page
Remove registration button
Fix sidenav scrollspy bug once and for all
Merge branch 'master' into pink
Remove puzzlehunt