handle case where user does not belong to team

[thejmazz]

in postMultiform, line 98, html says your not a team member

ERROR: Error: Upload failed
    at rp.then (/home/jmazz/Documents/repos/wiki17/node_modules/igemwiki-api/lib/upload.js:109:13)
    at <anonymous>
    at process._tickCallback (internal/process/next_tick.js:188:7)
TypeError: Cannot read property 'status' of undefined
    at Promise.all.then.then (/home/jmazz/Documents/repos/wiki17/node_modules/igemwiki-api/lib/upload.js:250:35)
    at tryCatcher (/home/jmazz/Documents/repos/wiki17/node_modules/bluebird/js/release/util.js:16:23)
    at Promise._settlePromiseFromHandler (/home/jmazz/Documents/repos/wiki17/node_modules/bluebird/js/release/promise.js:512:31)
    at Promise._settlePromise (/home/jmazz/Documents/repos/wiki17/node_modules/bluebird/js/release/promise.js:569:18)
    at Promise._settlePromise0 (/home/jmazz/Documents/repos/wiki17/node_modules/bluebird/js/release/promise.js:614:10)
    at Promise._settlePromises (/home/jmazz/Documents/repos/wiki17/node_modules/bluebird/js/release/promise.js:693:18)
    at Async._drainQueue (/home/jmazz/Documents/repos/wiki17/node_modules/bluebird/js/release/async.js:133:16)
    at Async._drainQueues (/home/jmazz/Documents/repos/wiki17/node_modules/bluebird/js/release/async.js:143:10)
    at Immediate.Async.drainQueues (/home/jmazz/Documents/repos/wiki17/node_modules/bluebird/js/release/async.js:17:14)
    at runCallback (timers.js:781:20)
    at tryOnImmediate (timers.js:743:5)
    at processImmediate [as _immediateCallback] (timers.js:714:5)