Allow the plugin to be installed after deployment

Change-Id: I4305751c90f19cb6d687ccc7040a737dc63a2f84

metadata.yaml

@@ -13,6 +13,7 @@ authors: [Mirantis Inc.]
 licenses: [Apache License Version 2.0]
 homepage: https://github.com/openstack/fuel-plugin-lma-collector
 groups: ['monitoring']
+is_hotpluggable: true
 
 # The plugin is compatible with releases in the list
 releases:
@@ -28,4 +29,4 @@ releases:
     repository_path: repositories/ubuntu
 
 # Version of plugin package
-package_version: '3.0.0'
+package_version: '4.0.0'

test-requirements.txt

@@ -1,2 +1,2 @@
 Sphinx
-fuel-plugin-builder>=2.0.4
+-e git+https://github.com/openstack/fuel-plugins.git#egg=fuel-plugin-builder