Change contact form fieldset label to match the com_users schema

Change contact form fieldset label to match the com_users schema and add component specific "* Requied field" "constant"

language/en-GB/en-GB.com_contact.ini

@@ -3,14 +3,13 @@
 ; License GNU General Public License version 2 or later; see LICENSE.txt, see LICENSE.php
 ; Note : All ini files need to be saved as UTF-8
 
-
 COM_CONTACT_ADDRESS="Address"
 COM_CONTACT_ARTICLES_HEADING="Contact's articles"
 COM_CONTACT_CAPTCHA_LABEL="Captcha"
 COM_CONTACT_CAPTCHA_DESC="Type in the textbox what you see in the image."
 COM_CONTACT_CAT_NUM="# of Contacts :"
 COM_CONTACT_CONTACT_EMAIL_A_COPY_DESC="Sends a copy of the message to the address you have supplied."
-COM_CONTACT_CONTACT_EMAIL_A_COPY_LABEL="Send Copy to Yourself"
+COM_CONTACT_CONTACT_EMAIL_A_COPY_LABEL="Send copy to yourself"
 COM_CONTACT_CONTACT_EMAIL_NAME_DESC="Your name."
 COM_CONTACT_CONTACT_EMAIL_NAME_LABEL="Name"
 COM_CONTACT_CONTACT_ENTER_MESSAGE_DESC="Enter your message here."
@@ -39,7 +38,7 @@ COM_CONTACT_ENQUIRY_TEXT="This is an enquiry email via %s from:"
 COM_CONTACT_ERROR_CONTACT_NOT_FOUND="Contact not found"
 COM_CONTACT_FAX="Fax"
 COM_CONTACT_FAX_NUMBER="Fax: %s"
-COM_CONTACT_FORM_LABEL="Send an Email. All fields with an asterisk (*) are required."
+COM_CONTACT_CONTACT_DEFAULT_LABEL="Send an Email"
 COM_CONTACT_FORM_NC="Please make sure the form is complete and valid."
 COM_CONTACT_IMAGE_DETAILS="Contact image"
 COM_CONTACT_LINKS="Links"
@@ -49,6 +48,7 @@ COM_CONTACT_MOBILE_NUMBER="Mobile: %s"
 COM_CONTACT_NO_CONTACTS="There are no Contacts to display"
 COM_CONTACT_NOT_MORE_THAN_ONE_EMAIL_ADDRESS="You can't enter more than one email address."
 COM_CONTACT_NUM_ITEMS="Contact Count:"
+COM_CONTACT_CONTACT_REQUIRED="<strong class="_QQ_"red"_QQ_">*</strong> Required field"
 COM_CONTACT_OPTIONAL="(optional)"
 COM_CONTACT_OTHER_INFORMATION="Miscellaneous Information"
 COM_CONTACT_POSITION="Position"