create user.userUpdate, add last date login
Fix Formatting issues

+ move require to “third-party requires” section
+ add more newlines between newUser and updateUser
+ Make now() function indent 4 spaces
Merge pull request #60 from cvan/user_acl

create user.userUpdate, add last date login
use utils.now in lib/user
Merge remote-tracking branch 'upstream/master'