Add SLES 12 and Debian 8 entries to the toolchain bootstrap
Add SLES 12 and Debian 8 entries to the toolchain bootstrap

SLES 12 artifacts are already uploaded. Debian 8 should be coming soon.

Change-Id: I366f80c699d5dbd7d506a5e6e3ab54a0352c9fb5
Reviewed-on: http://gerrit.cloudera.org:8080/1906
Reviewed-by: Alex Behm <fe1626037acfc2dc542d2aa723a6d14f2464a20c@cloudera.com>
Tested-by: Internal Jenkins

michaelhkw/incubator-impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,cloudera/Impala,cloudera/Impala