Merge pull request #1 from manzalena/master

Bootstrap template + first layout formatting.
centered styling with new sizing
centered styling, added responsive layout, new formatting
centered styling + responsive layout
broke out intro + updated formatting
updated formatting of questions + added this page
fixed link
added the end of the questionnaire
fixed formatting
added placeholder images
added hrefs to imgs
fixed header spacing & cursor
fixed placeholder img
added placeholer again
added investment placeholder imgs
fixed next link
set up first investment page with instructions
set up example activity with palceholder imgs
placeholder page for simulated coin toss
fixed btn links