Plugin updated to support Fuel 7.0

- metadata updated with SDK version and supported releases
- plugin version bump
- pre_build hook updated
- plugin manifests updated to support latest contrail builds

Change-Id: Ibfa5e980c63588671446fba910f340cd40786ab4

metadata.yaml

@@ -3,27 +3,22 @@ name: contrail
 # Human-readable name for your plugin
 title: Fuel Contrail plugin
 # Plugin version
-version: 2.1.0
+version: 3.0.0
 # Description
 description: Contrail plugin for Fuel provides the functionality to add Juniper Contrail SDN for Mirantis OpenStack as network backend using Fuel Web UI in a user-friendly manner
 # Required fuel version
-fuel_version: ['6.1']
+fuel_version: ['7.0']
 
 # The plugin is compatible with releases in the list
 releases:
   - os: ubuntu
-    version: 2014.2.2-6.1
+    version: 2015.1.0-7.0
     mode: ['ha', 'multinode']
     deployment_scripts_path: deployment_scripts/
     repository_path: repositories/ubuntu
-  - os: centos
-    version: 2014.2.2-6.1
-    mode: ['ha', 'multinode']
-    deployment_scripts_path: deployment_scripts/
-    repository_path: repositories/centos
 
 # Version of plugin package
-package_version: '2.0.0'
+package_version: '3.0.0'
 licenses: ['Apache 2.0']
 authors: ['Mirantis Inc.']
 homepage: https://github.com/stackforge/fuel-plugin-contrail