Fixed the egg name of heat to openstack_heat

https://review.openstack.org/606160 changes the change the dist name
to 'openstack-heat' and it needs to be fixed in the os_heat role
otherwise it will fails while installing it.

Added openmpi-devel distro packages as it is need for building mpi4py.

Depends-On: https://review.openstack.org/636297
Change-Id: I2fbb2465f9b4765a87011dfb2c2f65bd27e7b2c9

defaults/main.yml

@@ -40,7 +40,7 @@ heat_git_repo: https://git.openstack.org/openstack/heat
 heat_git_install_branch: master
 heat_developer_mode: false
 heat_developer_constraints:
-  - "git+{{ heat_git_repo }}@{{ heat_git_install_branch }}#egg=heat"
+  - "git+{{ heat_git_repo }}@{{ heat_git_install_branch }}#egg=openstack-heat"
 
 # TODO(odyssey4me):
 # This can be simplified once all the roles are using
@@ -210,7 +210,7 @@ heat_plugin_dirs:
 # Common pip packages
 heat_pip_packages:
   - cryptography
-  - heat
+  - openstack-heat
   - keystonemiddleware
   - osprofiler
   - PyMySQL

vars/redhat-7.yml

@@ -17,6 +17,7 @@ heat_distro_packages:
   - rsync
   - libxslt
   - which
+  - openmpi-devel
 
 heat_service_distro_packages:
   - openstack-heat-agents

vars/suse.yml

@@ -17,6 +17,7 @@ heat_distro_packages:
   - rsync
   - libxslt
   - which
+  - openmpi-devel
 
 heat_service_distro_packages:
   - openstack-heat

vars/ubuntu.yml

@@ -19,6 +19,7 @@ cache_timeout: 600
 heat_distro_packages:
   - rsync
   - libxslt1.1
+  - libopenmpi-dev
 
 heat_service_distro_packages:
   - heat-api