added translation to signup header

public/modules/users/config/i18n/english.js

@@ -15,6 +15,9 @@ angular.module('users').config(['$translateProvider', function ($translateProvid
 		LANGUAGE_LABEL: 'Language',
 		EMAIL_LABEL: 'Email',
 
+		SIGNUP_WITH_EMAIL: 'Sign up with your email',
+		SIGNUP_ERROR_TEXT: 'Couldn\'t complete registration due to errors',
+
 		UPDATE_PROFILE_BTN: 'Update Profile',
 		PROFILE_SAVE_SUCCESS: 'Profile saved successfully',
 		PROFILE_SAVE_ERROR: 'Could\'t Save Your Profile.',

public/modules/users/views/authentication/signup.client.view.html

@@ -17,12 +17,12 @@
 			<img src="/modules/users/img/buttons/github.png">
 		</a>
 	</div> -->
-	<h3 class="col-md-12 text-center">Signup with your email</h3>
+	<h3 class="col-md-12 text-center">{{ 'SIGNUP_WITH_EMAIL' | translate }}</h3>
 	<div class="col-xs-offset-2 col-xs-8 col-md-offset-3 col-md-6">
 		<form name="userForm" data-ng-submit="signup()" class="signin form-horizontal" novalidate autocomplete="off">
 			<fieldset>
 				<div data-ng-show="error" id="signup_errors" class="text-center text-danger">
-					Couldn't complete registration due to errors: <br>
+					{{'SIGNUP_ERROR_TEXT'' | translate}}: <br>
 					<strong data-ng-bind="error"></strong>
 				</div>
 				<div class="form-group">