diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1a118b8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.idea
+/logs/*
+/config.php
diff --git a/app/controllers/db.php b/app/controllers/db.php
index 46b90ea..366d56b 100644
--- a/app/controllers/db.php
+++ b/app/controllers/db.php
@@ -237,8 +237,8 @@ public function doDbExport() {
 				if (x("gzip")) {
 					ob_end_clean();
 					header("Content-type: application/x-gzip");
-					header("Content-Disposition: attachment; filename=\"{$prefix}.gz\"");
-					echo gzcompress($this->contents, 9);
+					header("Content-Disposition: attachment; filename=\"{$prefix}.js.gz\"");
+					echo gzencode($this->contents, 9);
 					exit();
 				}
 				else {
@@ -264,12 +264,9 @@ public function doDbImport() {
 				$tmp = $_FILES["json"]["tmp_name"];
 
 				//read file by it's format
-				$body = "";
-				if (preg_match("/\\.gz$/", $_FILES["json"]["name"])) {
-					$body = gzuncompress(file_get_contents($tmp));
-				}
-				else {
-					$body = file_get_contents($tmp);
+				$body = file_get_contents($tmp);
+				if (preg_match("/\\.js\\.gz$/", $_FILES["json"]["name"])) {
+					$body = gzdecode($body);
 				}
 
 				//check format
diff --git a/app/funcs/functions.php b/app/funcs/functions.php
index 7a6c269..2c896f5 100644
--- a/app/funcs/functions.php
+++ b/app/funcs/functions.php
@@ -280,4 +280,12 @@ function r_get_collection_icon($collectionName) {
 	return "table";
 }
 
+// PHP < 5.4
+if (!function_exists('gzdecode')) {
+	// http://php.net/manual/ru/function.gzdecode.php#106397
+	function gzdecode($data) {
+		return gzinflate(substr($data,10,-8));
+	}
+}
+
 ?>
\ No newline at end of file
diff --git a/config.php b/config.php
deleted file mode 100644
index 5dd3a9f..0000000
--- a/config.php
+++ /dev/null
@@ -1,55 +0,0 @@
-<?php
-/**
- * RockMongo configuration
- *
- * Defining default options and server configuration
- * @package rockmongo
- */
- 
-$MONGO = array();
-$MONGO["features"]["log_query"] = "on";//log queries
-$MONGO["features"]["theme"] = "default";//theme
-$MONGO["features"]["plugins"] = "on";//plugins
-
-$i = 0;
-
-/**
-* Configuration of MongoDB servers
-* 
-* @see more details at http://rockmongo.com/wiki/configuration?lang=en_us
-*/
-$MONGO["servers"][$i]["mongo_name"] = "Localhost";//mongo server name
-//$MONGO["servers"][$i]["mongo_sock"] = "/var/run/mongo.sock";//mongo socket path (instead of host and port)
-$MONGO["servers"][$i]["mongo_host"] = "127.0.0.1";//mongo host
-$MONGO["servers"][$i]["mongo_port"] = "27017";//mongo port
-$MONGO["servers"][$i]["mongo_timeout"] = 0;//mongo connection timeout
-//$MONGO["servers"][$i]["mongo_db"] = "MONGO_DATABASE";//default mongo db to connect, works only if mongo_auth=false
-//$MONGO["servers"][$i]["mongo_user"] = "MONGO_USERNAME";//mongo authentication user name, works only if mongo_auth=false
-//$MONGO["servers"][$i]["mongo_pass"] = "MONGO_PASSWORD";//mongo authentication password, works only if mongo_auth=false
-$MONGO["servers"][$i]["mongo_auth"] = false;//enable mongo authentication?
-
-$MONGO["servers"][$i]["control_auth"] = true;//enable control users, works only if mongo_auth=false
-$MONGO["servers"][$i]["control_users"]["admin"] = "admin";//one of control users ["USERNAME"]=PASSWORD, works only if mongo_auth=false
-
-$MONGO["servers"][$i]["ui_only_dbs"] = "";//databases to display
-$MONGO["servers"][$i]["ui_hide_dbs"] = "";//databases to hide
-$MONGO["servers"][$i]["ui_hide_collections"] = "";//collections to hide
-$MONGO["servers"][$i]["ui_hide_system_collections"] = false;//whether hide the system collections
-
-//$MONGO["servers"][$i]["docs_nature_order"] = false;//whether show documents by nature order, default is by _id field
-//$MONGO["servers"][$i]["docs_render"] = "default";//document highlight render, can be "default" or "plain"
-
-$i ++;
-
-/**
- * mini configuration for another mongo server
- */
-/**
-$MONGO["servers"][$i]["mongo_name"] = "Localhost2";
-$MONGO["servers"][$i]["mongo_host"] = "127.0.0.1";
-$MONGO["servers"][$i]["mongo_port"] = "27017";
-$MONGO["servers"][$i]["control_users"]["admin"] = "password";
-$i ++;
-**/
-
-?>
\ No newline at end of file