Enable execution environment support (#38)

Enable execution environment support

Reviewed-by: https://github.com/apps/ansible-zuul

changelogs/fragments/upcap_ansible.yaml

@@ -0,0 +1,4 @@
+---
+trivial:
+  - uncap ansible in meta/runtime.yaml
+  - move python requirements to requirements.txt for execution environments

meta/runtime.yml

@@ -1,2 +1,2 @@
 ---
-requires_ansible: '>=2.9.10,<2.11'
+requires_ansible: '>=2.9.10'

requirements.txt

@@ -0,0 +1,4 @@
+jsonschema
+textfsm
+ttp
+xmltodict

test-requirements.txt

@@ -4,14 +4,3 @@ flake8
 mock ; python_version < '3.5'
 pytest-xdist
 yamllint
-
-# The follow are 3rd party libs for validate
-jsonschema
-# /valiate
-
-# The follow are 3rd party libs for cli_parse
-textfsm
-ttp
-xmltodict
-# /cli_parse
-