dbtl update on all pages, added julia, added notebook layout

static/dbtl.css

static/hamburger.css

static/home.css

static/human-practice.css

static/members.css

static/notebook.css

static/parallex.css

static/results.css

wiki/layout.html

wiki/pages/description.html

wiki/pages/design.html

wiki/pages/engineering.html

wiki/pages/experiments.html

wiki/pages/future-direction.html

wiki/pages/home.html

wiki/pages/human-practices.html

wiki/pages/members.html

wiki/pages/notebook.html

wiki/pages/parts.html

wiki/pages/results.html