Update bashbrew to cache remote tag fetches (speeds up "--all" operations by avoiding "git fetch" where we already have a cached answer in Git)
Update bashbrew to cache remote tag fetches (speeds up "--all" operations by avoiding "git fetch" where we already have a cached answer in Git)

Example tag name: `git-/github.com/docker/notary-official-images-refs/tags/v0.5.0-FETCH_HEAD`

Referring to:
```
signer-0.5.0: git://github.com/docker/notary-official-images@v0.5.0 notary-signer
```

docker-solr/official-images,emilevauge/official-images,nodejs-docker-bot/official-images,emilevauge/official-images,docker-solr/official-images,emilevauge/official-images,thresheek/official-images,nodejs-docker-bot/official-images,docker-library/official-images,emilevauge/official-images,neo-technology/docker-official-images,jperrin/official-images,mattrobenolt/official-images,docker-solr/official-images,neo-technology/docker-official-images,mattrobenolt/official-images,docker-library/official-images,pesho/docker-official-images,thresheek/official-images,infosiftr/stackbrew,dinogun/official-images,docker-solr/official-images,davidl-zend/official-images,jperrin/official-images,jperrin/official-images,chorrell/official-images,neo-technology/docker-official-images,docker-library/official-images,docker-library/official-images,31z4/official-images,mattrobenolt/official-images,docker-solr/official-images,31z4/official-images,docker-flink/official-images,robfrank/official-images,pesho/docker-official-images,docker-solr/official-images,neo-technology/docker-official-images,nodejs-docker-bot/official-images,thresheek/official-images,robfrank/official-images,chorrell/official-images,pesho/docker-official-images,nodejs-docker-bot/official-images,31z4/official-images,jperrin/official-images,jperrin/official-images,robfrank/official-images,infosiftr/stackbrew,docker-solr/official-images,davidl-zend/official-images,chorrell/official-images,docker-flink/official-images,31z4/official-images,thresheek/official-images,pesho/docker-official-images,docker-flink/official-images,infosiftr/stackbrew,neo-technology/docker-official-images,31z4/official-images,docker-solr/official-images,docker-flink/official-images,infosiftr/stackbrew,dinogun/official-images,docker-library/official-images,emilevauge/official-images,dinogun/official-images,pesho/docker-official-images,infosiftr/stackbrew,jperrin/official-images,robfrank/official-images,mattrobenolt/official-images,davidl-zend/official-images,thresheek/official-images,neo-technology/docker-official-images,nodejs-docker-bot/official-images,neo-technology/docker-official-images,neo-technology/docker-official-images,infosiftr/stackbrew,docker-flink/official-images,docker-library/official-images,dinogun/official-images,pesho/docker-official-images,infosiftr/stackbrew,davidl-zend/official-images,mattrobenolt/official-images,docker-flink/official-images,thresheek/official-images,docker-solr/official-images,docker-flink/official-images,thresheek/official-images,infosiftr/stackbrew,emilevauge/official-images,infosiftr/stackbrew,nodejs-docker-bot/official-images,davidl-zend/official-images,chorrell/official-images,31z4/official-images,mattrobenolt/official-images,neo-technology/docker-official-images,neo-technology/docker-official-images,chorrell/official-images,dinogun/official-images,emilevauge/official-images,nodejs-docker-bot/official-images,31z4/official-images,robfrank/official-images,nodejs-docker-bot/official-images,pesho/docker-official-images,chorrell/official-images,emilevauge/official-images,docker-flink/official-images,chorrell/official-images,dinogun/official-images,docker-flink/official-images,dinogun/official-images,chorrell/official-images,dinogun/official-images,mattrobenolt/official-images,davidl-zend/official-images,mattrobenolt/official-images,infosiftr/stackbrew,chorrell/official-images,docker-library/official-images,thresheek/official-images,robfrank/official-images,docker-library/official-images,chorrell/official-images,dinogun/official-images,31z4/official-images,docker-library/official-images,pesho/docker-official-images,neo-technology/docker-official-images,robfrank/official-images,31z4/official-images,emilevauge/official-images,davidl-zend/official-images,jperrin/official-images,infosiftr/stackbrew,jperrin/official-images,nodejs-docker-bot/official-images,infosiftr/stackbrew,robfrank/official-images,neo-technology/docker-official-images,docker-flink/official-images,docker-library/official-images,dinogun/official-images,dinogun/official-images,docker-solr/official-images,robfrank/official-images,emilevauge/official-images,jperrin/official-images,31z4/official-images,thresheek/official-images,davidl-zend/official-images,mattrobenolt/official-images,emilevauge/official-images,robfrank/official-images,robfrank/official-images,docker-library/official-images,thresheek/official-images,jperrin/official-images,docker-library/official-images,davidl-zend/official-images,pesho/docker-official-images,emilevauge/official-images,31z4/official-images,thresheek/official-images,infosiftr/stackbrew,nodejs-docker-bot/official-images,chorrell/official-images,docker-flink/official-images,nodejs-docker-bot/official-images,docker-flink/official-images,thresheek/official-images,jperrin/official-images,31z4/official-images,thresheek/official-images,docker-solr/official-images,31z4/official-images,docker-flink/official-images,docker-library/official-images,neo-technology/docker-official-images,nodejs-docker-bot/official-images,mattrobenolt/official-images,docker-solr/official-images,davidl-zend/official-images,neo-technology/docker-official-images,davidl-zend/official-images,31z4/official-images,docker-library/official-images,dinogun/official-images,robfrank/official-images,pesho/docker-official-images,pesho/docker-official-images,pesho/docker-official-images,chorrell/official-images,mattrobenolt/official-images,mattrobenolt/official-images,docker-solr/official-images,davidl-zend/official-images,chorrell/official-images,davidl-zend/official-images,docker-solr/official-images,jperrin/official-images,thresheek/official-images,robfrank/official-images,dinogun/official-images,infosiftr/stackbrew,mattrobenolt/official-images,jperrin/official-images