Add apache include

Since apache site for gnocchi is configured from apache reclass
we need to include apache state to gnocchi formula.

Other changes:
- kitchen 2017.7 is added

Change-Id: Ia59cbde0edd017dd84bebfca7b645a2ea3e6af40
Related-Prod: https://mirantis.jira.com/browse/PROD-17969
diff --git a/.travis.yml b/.travis.yml
index e90c8eb..71564cf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,6 +19,8 @@
 env:
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server_cluster
   - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2016.3 OS_VERSION=pike SUITE=server_single
+  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server_cluster
+  - PLATFORM=epcim/salt-formulas:saltstack-ubuntu-xenial-salt-2017.7 OS_VERSION=pike SUITE=server_single
 
 before_script:
   - set -o pipefail