Move bashate to its own gate

This is a trivial change to keep things inline with system-config.
Additionally, this will allow a follow up patch to update pep8 to only
run when .py files changes.

Change-Id: I7981c118b2483147a145617a14a583fe80a20df7
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

jenkins/jobs/projects.yaml

@@ -3971,6 +3971,7 @@
 
     jobs:
       - gate-{name}-pep8
+      - gate-{name}-bashate
       - generate-specs-site-jobs
 
 - project:

tox.ini

@@ -6,10 +6,12 @@ skipsdist = True
 [testenv]
 deps = -r{toxinidir}/test-requirements.txt
 
+[testenv:bashate]
+commands = {toxinidir}/tools/run-bashate.sh
+
 [testenv:pep8]
 commands =
   flake8
-  {toxinidir}/tools/run-bashate.sh
 
 [testenv:gerrit]
 commands =

zuul/layout.yaml

@@ -2668,6 +2668,7 @@ projects:
       - gate-project-config-grafyaml
       - gate-project-config-layout
       - gate-project-config-pep8
+      - gate-project-config-bashate
       - gate-project-config-irc-access
       - gate-project-config-jenkins-project
       - gate-project-config-nodepool
@@ -2680,6 +2681,7 @@ projects:
       - gate-project-config-grafyaml
       - gate-project-config-layout
       - gate-project-config-pep8
+      - gate-project-config-bashate
       - gate-project-config-irc-access
       #TODO(asselin) add back when it becomes voting
       #- gate-project-config-nodepool