jmoody/briar — pull request #6 by jmoody (2014-05-26 17:34:01+00:00)
Title: should be able to submit async to xtc

## motivation

The `briar xtc` command should allow for async submission to the XTC.

As a first pass, decided to use an env var `XTC_WAIT_FOR_RESULTS` to control this behavior.

Set this variable in your .env file:

```
XTC_WAIT_FOR_RESULTS=0
```