Merge pull request yetanalytics#63 from yetanalytics/bug_server_aot

Make server AOT-safe...

DS-102 simple out file names

DS-102 set ctype

DS-102 multi-upload with default naming

DS-102 attempt naming fix

DS-102 Add separate target bucket, take input as loc

DS-102 write node output to root of bucket by default

DS-102 no dots in filenames

DS-102 properly set chunk idx

DS-102 optional split output