streamline menu bar options
streamline menu bar in other index views
add Street Safety Challenge
minimal styling added for contests
Adjusted all contests view
  -Included description of contest, awards, policy questions and data
  -Incorporated important dates
simplify styling
Awards now follows Policy Questions and Data
styling for challenge request
Files to be deleted
  -but may need to get further info out of them first
change class to id
deleted unnecessary styling
unnec. styling
imprecise centering of menu bar
update page titles & other miscellany
small contest styling changes
tweak copy, add button to participate
add code for pretty button
change 'participate' to submit'
update readme
update dates info