Set static resources path
Remove unused images
Specify images path in gradle.properties
Specify data path in gradle.properties
Fix file upload problem
Remove debug output
Merge pull request #200 from mzry1992/cleanup-migrate-problem

Cleanup migrate problem
Fix null point exception in contest page
Merge pull request #201 from mzry1992/fix-null-point-exception

Fix null point exception in contest page
Auto warp sample input and output
Merge pull request #203 from mzry1992/fix-sample-warp-issue

Auto warp sample input and output
Remove old gruntfile
Optimize problem pages
Split route config
Merge pull request #204 from mzry1992/master

Optimize problem pages.
Refactor contest pages and add error pages
Update contest route config
Use one-way binding to render rank list
Add coffeelint and fix lint problems!
Merge pull request #205 from mzry1992/optimize-contest-pages

Optimize contest pages