Added backend to handle differnet landing pages, basic page for build season template. Helps #264
Rename/reorder main handlers for clarity
Refactor countdown JS/CSS
cleanup
Revert back to kickoff for landing page
Merge fixes
Merge branch 'master' into buildseason-landing
Remove unused var in JS
Merge pull request #396 from fangeugene/buildseason-landing

Different Landing pages for Kickoff, Build season, Competition season, etc. Fixes #264