Make the playbook's yaml file start with "---"

1. the yamls file of playbook should start with "---".
2. Update the url to https due to it redirct to it.

Change-Id: Id54cab0071fbd0aad5189257e1002e7a6f45a822

README.rst

@@ -7,7 +7,7 @@ A storlet is a compiled and packaged code (e.g. a .jar file) that can be
 uploaded to Swift as any other object.
 Once uploaded the storlet can be invoked over data objects in Swift.
 The Storlets API is documented at
-`"Storlets API v1" <http://storlets.readthedocs.io/en/latest/api/overview_api.html>`__.
+`"Storlets API v1" <https://storlets.readthedocs.io/en/latest/api/overview_api.html>`__.
 
 The project started off as an IBM research project, and was open sourced by IBM in 2014.
 
@@ -23,13 +23,13 @@ Docs
 ----
 
 The storlerts documentation is auto-generated after every commit and available
-online at http://storlets.readthedocs.io/en/latest/
+online at https://storlets.readthedocs.io/en/latest/
 
 Getting Started for Users
 -------------------------
 
 The fastest way to get started is
-`"S2AIO - Swift Storlets All In One" <http://storlets.readthedocs.io/en/latest/getting_started.html>`__.
+`"S2AIO - Swift Storlets All In One" <https://storlets.readthedocs.io/en/latest/getting_started.html>`__.
 
 For Engine Developers
 ---------------------
@@ -38,7 +38,7 @@ Getting Started
 ~~~~~~~~~~~~~~~
 
 The best way to get started is following this guide:
-`"Installing a Development Environment" <http://storlets.readthedocs.io/en/latest/engine_dev_installation.html>`__.
+`"Installing a Development Environment" <https://storlets.readthedocs.io/en/latest/engine_dev_installation.html>`__.
 
 Tests
 ~~~~~
@@ -51,7 +51,7 @@ There are two types of tests included in the Storlets repo.
 Unit tests, are, well, unit tests... The functional tests are black box tests validating
 end-to-end scenarios using various storlets, including faulty ones. For more information
 please refer to the:
-`"Development and Testing Guide" <http://storlets.readthedocs.io/en/latest/engine_dev_tests.html>`__.
+`"Development and Testing Guide" <https://storlets.readthedocs.io/en/latest/engine_dev_tests.html>`__.
 
 Code Organization
 ~~~~~~~~~~~~~~~~~
@@ -90,14 +90,14 @@ For Storlets Developers
 
 Currently, storlets can be developed in Java only.
 To get started, follow:
-`"S2AIO - Swift Storlets All In One" <http://storlets.readthedocs.io/en/latest/getting_started.html>`__.
+`"S2AIO - Swift Storlets All In One" <https://storlets.readthedocs.io/en/latest/getting_started.html>`__.
 
 The write and deploy a storlet, follow:
-`"Writing and deploying storelts" <http://storlets.readthedocs.io/en/latest/writing_and_deploying_storlets.html>`__.
+`"Writing and deploying storelts" <https://storlets.readthedocs.io/en/latest/writing_and_deploying_storlets.html>`__.
 
 For Deployers
 -------------
 
 Instructions for how to deploy Storlets over an existing Swift cluster (not SAIO):
-`"Deploying storlets over an existing Swift cluster" <http://storlets.readthedocs.io/en/latest/deployer_installation.html>`__.
+`"Deploying storlets over an existing Swift cluster" <https://storlets.readthedocs.io/en/latest/deployer_installation.html>`__.
 

playbooks/storlets-functional/post.yaml

@@ -1,3 +1,4 @@
+---
 - hosts: all
   tasks:
     - name: Copy logs from worker nodes to executor node

playbooks/storlets-functional/pre.yaml

@@ -1,3 +1,4 @@
+---
 - hosts: all
   tasks:
     - shell:

playbooks/storlets-functional/run.yaml

@@ -1,3 +1,4 @@
+---
 - hosts: all
   roles:
     - tox