Added Braid Support for linktastic.

[Braid](https://github.com/evilchelu/braid/wiki) lets you keep a sub-folder in sync with a git project, and  then commit it to the repo (unlike git submodules... which suck).  The .braids file holds info about what version the git repo is mirroring and where to find updates for that repo.  You can run the following to update Linktastic to the latest head.
```shell
cd $nzbToMediaRepo
braid update linktastic
```