dashboard: move buildlet exec code from coordinator to client package

Change-Id: I778ac78ed02be9f67436ec045a3816dfc24afda3
Reviewed-on: https://go-review.googlesource.com/2923
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
4 files changed
tree: 32d035b92222b893f7a445af0b107742c54f96fd
  1. app/
  2. buildlet/
  3. cmd/
  4. env/
  5. types/
  6. watcher/
  7. builders.go
  8. builders_test.go
  9. README