Migrate sample 'plan' files to 'app' files

Changed the format and location of the following files to
correspond to the new 'app' format.

ex1.yaml
docker_registry.yaml
mysql.yaml

Location:

From examples/plans to examples/apps

Change-Id: Ibf89459670b5769cad2fe33d30e7ae74927ce5ec
Closes-Bug: #1519485

examples/apps/docker_registry.yaml

@@ -0,0 +1,7 @@
+version: 1
+name: docker_registry
+description: docker registry
+languagepack: docker
+source:
+  repository: https://github.com/dotcloud/docker-registry.git
+  revision: master

examples/apps/ex1.yaml

@@ -0,0 +1,7 @@
+version: 1
+name: ex1
+description: Nodejs express.
+languagepack: javascript
+source:
+  repository: https://github.com/paulczar/example-nodejs-express.git
+  revision: master

examples/apps/mysql.yaml

@@ -2,7 +2,6 @@ version: 1
 name: mysql_server
 description: mysql server
 languagepack: docker
-
 source:
   repository: https://github.com/paulczar/docker-mysql.git
-
+  revision: master

examples/plans/docker_registry.yaml

@@ -1,9 +0,0 @@
-version: 1
-name: docker_registry
-description: docker registry
-artifacts:
-- name: docker_registry
-  artifact_type: dockerfile
-  content:
-    href: https://github.com/dotcloud/docker-registry.git
-  language_pack: docker

examples/plans/ex1.yaml

@@ -1,9 +0,0 @@
-version: 1
-name: ex1
-description: Nodejs express.
-artifacts:
-- name: nodeus
-  artifact_type: heroku
-  content:
-    href: https://github.com/paulczar/example-nodejs-express.git
-  language_pack: auto

examples/plans/mysql.yaml

@@ -1,9 +0,0 @@
-version: 1
-name: mysql_server
-description: mysql server
-artifacts:
-- name: mysql_server
-  artifact_type: dockerfile
-  content:
-    href: https://github.com/paulczar/docker-mysql.git
-  language_pack: docker