Update validate-modules (#20932)

* Update validate-modules

* Validates ANSIBLE_METADATA
* Ensures imports happen after documentation vars
* Some pep8 cleanup

* Clean up some left over unneeded code

* Update modules for new module guidelines and validate-modules checks

* Update imports for ec2_vpc_route_table and ec2_vpc_nat_gateway

lib/ansible/modules/packaging/language/easy_install.py

@@ -19,9 +19,6 @@
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-import tempfile
-import os.path
-
 ANSIBLE_METADATA = {'status': ['preview'],
                     'supported_by': 'community',
                     'version': '1.0'}
@@ -104,6 +101,9 @@ EXAMPLES = '''
     virtualenv: /webapps/myapp/venv
 '''
 
+import tempfile
+import os.path
+
 def _is_package_installed(module, name, easy_install, executable_arguments):
     executable_arguments = executable_arguments + ['--dry-run']
     cmd = '%s %s %s' % (easy_install, ' '.join(executable_arguments), name)

lib/ansible/modules/packaging/language/maven_artifact.py

@@ -19,22 +19,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this software.  If not, see <http://www.gnu.org/licenses/>.
 
-__author__ = 'cschmidt'
-
-from lxml import etree
-import os
-import hashlib
-import sys
-import posixpath
-import urlparse
-from ansible.module_utils.basic import *
-from ansible.module_utils.urls import *
-try:
-    import boto3
-    HAS_BOTO = True
-except ImportError:
-    HAS_BOTO = False
-
 ANSIBLE_METADATA = {'status': ['preview'],
                     'supported_by': 'community',
                     'version': '1.0'}
@@ -153,6 +137,21 @@ EXAMPLES = '''
     dest: /var/lib/tomcat7/webapps/web-app.war
 '''
 
+from lxml import etree
+import os
+import hashlib
+import sys
+import posixpath
+import urlparse
+from ansible.module_utils.basic import *
+from ansible.module_utils.urls import *
+try:
+    import boto3
+    HAS_BOTO = True
+except ImportError:
+    HAS_BOTO = False
+
+
 class Artifact(object):
     def __init__(self, group_id, artifact_id, version, classifier=None, extension='jar'):
         if not group_id: