Clean trailing space string
REV: upgrade jquery.fileupload js
REV: jquery upgrade 2.1.1 & jqueryui 1.11

jQuery 2.x has the same API as jQuery 1.x, but does not support Internet
Explorer 6, 7, or 8.
FIX: node-easyimage upgrade behavior

node-easyimage use promise style. change callback to promise function
FIX: jslint fixed

run bash script
./scripts/lintcheck
REV: add jslint to travis hook

every commit should be pass in jslint
Merge pull request #49 from xiaods/issue-jquery-upload

fixed Issue jquery upload