Addressed review comments and updated screenshots

Author: abh1sar

source/_static/images/deployvm_userdata.png

@@ -46,7 +46,7 @@ Authentication.
 User Data and Meta Data
 ~~~~~~~~~~~~~~~~~~~~~~~
 
-The user-data service on a Shared or Isolated Network can be provided through the
+The user data service on a Shared or Isolated Network can be provided through the
 Virtual Router or through an attached iso called the Config drive.
 
 User Data and Meta Data Via Virtual Router

source/_static/images/deployvm_userdata_with_variables.png

@@ -172,8 +172,8 @@ Specify the following:
 
 -  User data: The user data of the Instances.
 
-   For more information, see `“User-Data and Meta-Data”
-   <virtual_machines.html#user-data-and-meta-data>`_.
+   For more information, see `“User Data and Metadata”
+   <virtual_machines.html#user-data-and-metadata>`_.
 
 
 AutoScale Policies

source/_static/images/register_userdata.png

@@ -367,8 +367,8 @@ To create a network offering:
                           been configured in the cloud.
       VPN                 For more information, see `“Remote Access                                    Supported     Not Supported
                           VPN” <networking_and_traffic.html#remote-access-vpn>`_.
-      User Data           For more information, see `“User Data and Meta                               Not Supported Supported
-                          Data” <api.html#user-data-and-meta-data>`_.
+      User Data           For more information, see `“User Data and Metadata                           Not Supported Supported
+                          ” <api.html#user-data-and-metadata>`_.
       Network ACL         For more information, see `“Configuring Network Access Control List          Supported     Not Supported
                           ” <networking_and_traffic.html#configuring-network-access-control-list>`_.
       Security Groups     For more information, see `“Adding a Security                                Not Supported Supported

source/_static/images/register_userdata_with_variables.png

@@ -316,7 +316,7 @@ Define a Network Access Control List (ACL) to control incoming
 and external Networks (other Network Tiers of the VPC as well as public Networks).
 
 About Network ACLs
-^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^
 
 In CloudStack terminology, a Network ACL is a group of Network ACL rules.
 Network ACL rules are processed by their order, starting with the lowest
@@ -358,7 +358,7 @@ Afterwards traffic can be white- or blacklisted.
 
 
 Creating ACLs
-^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^
 
 #. Log in to the CloudStack UI as an administrator or end User.
 
@@ -472,7 +472,7 @@ Creating an ACL Rule
 
 
 Creating a Tier with Custom ACL
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 #. Create a VPC.
 
@@ -488,7 +488,7 @@ Creating a Tier with Custom ACL
 
 
 Assigning a Custom ACL to a Tier
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 #. Create a VPC.
 

source/_static/images/userdata_template_link.png

@@ -271,11 +271,11 @@ To upload a Template:
    -  **Tag**: The tag for the template. This tag can be used with host tags to
       allow deployment of Instances on specific hosts.
 
-   -  **User data**: The registered User data are listed. Select the
+   -  **User data**: The registered user data entries are listed. Select the
       desired one.
 
    -  **User data link policy**: Select the user data override policy as required.
-      For more information on user data and override link policy, please check `User data section <virtual_machines.html#user-data-and-meta-data>`_.
+      For more information on user data and override link policy, please check `User data section <virtual_machines.html#user-data-and-metadata>`_.
 
 
    -  **Hypervisor**: The supported hypervisors are listed. Select the