Update documentation for modules, add deprecation warning for role, send and receive modules

Update variables in tower_inventory to be in dict format

awx_collection/plugins/modules/tower_team.py

@@ -33,9 +33,11 @@ options:
         - To use when changing a team's name.
       required: False
       type: str
+      version_added: "3.7"
     description:
       description:
         - The description to use for the team.
+      required: False
       type: str
     organization:
       description:
@@ -53,6 +55,7 @@ options:
         - The Tower OAuth token to use.
       required: False
       type: str
+      version_added: "3.7"
 extends_documentation_fragment: awx.awx.auth
 '''
 
@@ -75,7 +78,7 @@ def main():
     argument_spec = dict(
         name=dict(required=True),
         new_name=dict(required=False),
-        description=dict(),
+        description=dict(required=False),
         organization=dict(required=True),
         state=dict(choices=['present', 'absent'], default='present'),
     )