>   +---------------------------------------------+
>   |                Sacrobat                     |
>   |---------------------------------------------|
>   |                                             |
>   | +---------------+    job    +------------+  |
>   | |               |   insert  |            |  |     POST      +---------+
>   | |  TheSchwartz  |<----------+ /converter |<-----------------+ Request |
>   | |               |           |            |  | (odt or zip)  +---------+
>   | |  (Job Queue)  |           +------------+  |
>   | |               +------------------------+  |
>   | | +-----+  +-----+  +-----+  +-----+     |  |
>   | | | Job |  | Job |  | Job |  | Job | ... |  |
>   | | +-----+  +-----+  +-----+  +-----+     |  |
>   | +--------+-------------------------------+  |
>   |          |                                  |
>   |      job | fetch                            |
>   |          v                                  |
>   | +----------------------------------------+  |
>   | | Sacrobat::TheSchwartz::Worker::ODT2PDF |  |
>   | |----------------------------------------|  |
>   | |   +-----------+     +-----------+      |  |
>   | |   |  convert  |     |  upload   |      |  |   POST or SCP     +------+
>   | |   |   to pdf  +---->|  to user  +---------------------------->| User |
>   | |   +-----------+     +-----------+      |  |   (pdf or zip)    +------+
>   | +----------------------------------------+  |
>   +---------------------------------------------+