Merge branch 'dev' (1.7.5) into 1.8

VERSION.txt

-1.7.4
\ No newline at end of file
+1.7.5
\ No newline at end of file

qa-include/qa-base.php

@@ -20,8 +20,8 @@
 */
 
 
-define('QA_VERSION', '1.7.4'); // also used as suffix for .js and .css requests
-define('QA_BUILD_DATE', '2016-03-14');
+define('QA_VERSION', '1.7.5'); // also used as suffix for .js and .css requests
+define('QA_BUILD_DATE', '2017-08-08');
 
 
 /**

qa-include/qa-install.php

@@ -68,9 +68,11 @@ $hidden = array();
 // Process user handling higher up to avoid 'headers already sent' warning
 
 if (!isset($pass_failure_type) && qa_clicked('super')) {
+	require_once QA_INCLUDE_DIR.'db/admin.php';
 	require_once QA_INCLUDE_DIR.'db/users.php';
 	require_once QA_INCLUDE_DIR.'app/users-edit.php';
 
+	if (qa_db_count_users() == 0) { // prevent creating multiple accounts
 		$inemail = qa_post_text('email');
 		$inpassword = qa_post_text('password');
 		$inhandle = qa_post_text('handle');
@@ -90,6 +92,7 @@ if (!isset($pass_failure_type) && qa_clicked('super')) {
 
 			$success .= "Congratulations - Your Question2Answer site is ready to go!\n\nYou are logged in as the super administrator and can start changing settings.\n\nThank you for installing Question2Answer.";
 		}
+	}
 }