patch to gulp-livescript is made for generating json from livescript. before PR being accepted, keep a local version at first.
dont commit generated json file
now we are generating json file from ls for i18n purpose.
attempt to use json in jade file
now scehdule (conference part) read list from json.
remove local gulp-livescript since PR has been accepted. need a 'npm install' to get latest gulp-livescript
gulp: translation should depend on i18n. (we need a better naming) dup a schedule.ls for en-us
add gulp-rename module in package.json
Depends on gulp-jsonminify
update speaker info
Merge branch 'develop'