fix leaderboard management style and some typos
add friend request button on user profile page
Removed navigation items
Changed site font to Source Sans Pro
Use relative protocol
Renamed font variable across all stylesheets
make friend request button more responsive on profile page
Added Solved by Flexbox grid styles
WIP - Change Edit route
convert indentation to soft spaces
Merge pull request #92 from scottmeng/board_management_style_fix

Fix leaderboard management page style and some typos
Refactored 'Solved by flex' grid CSS styles
Implemented basic review page with hardcoded data (API is currently non-functional)
Fetch review list from the API
Improved review list style, sort games in queue by created date, and display waiting time (currently just shows the raw date, need to implement a relative date formatter)
Added dates.js to generate relative date strings, and use that for the review list waiting time; also added basic unit tests
- Fixed various issues with unit counts, dates in the future, and handling years
- Added a bunch more unit tests
Cleanup / style fixes
Implemented accepting / rejecting games
Removed silly debugging code