build: read query from config file

And change command line to take bot names instead of query.  This allows
different bots to be configured with different queries.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
build: setup git repository sufficiently to merge pull requests

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
fetch: fix explicit URL

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>