add uploadContestArchive service.
fix coding style.
Merge pull request #126 from pfctgeorge/contest-management

add uploadContestArchive service.
add createContestByArchiveFile method in ContestController.
Merge pull request #127 from pfctgeorge/contest-management

add createContestByArchiveFile method in ContestController.
[FIX] Code 200 when use GET method in IE
Merge pull request #128 from mzry1992/fix-ie-cache-issue

[FIX] Code 200 when use GET method in IE
[FIX] Sync auto fill value from browser
[FIX] Sync auto fill does not work in firefox, use jQuery to get form value
Merge pull request #129 from mzry1992/sync-auto-fill

Sync auto fill form
[UPDATE] Add contest create modal skeleton
Merge pull request #130 from mzry1992/create-contest-modal

[UPDATE] Add contest create modal skeleton