Fix memory leaks (also in submodules), fix log rotation bug

src/ap

@@ -1 +1 @@
-Subproject commit 45790a0384ac4fb95c07fe3d97669b6b7bc743bc
+Subproject commit d04a9efec54c2ec995578c05a901b29397bae057

src/http

@@ -1 +1 @@
-Subproject commit 7598a24b783c5f5efcf3e2f40a8fd38faa3bed41
+Subproject commit 99e2cda6bb906d6effdf0a386f2665d206109804

src/model/media.c

@@ -73,6 +73,8 @@ void media_free( struct media* m )
 	if( !m ) { return; }
 
 	free(m->content_type);
+	free(m->remote_url);
+	free(m->preview_url);
 	free(m);
 }
 void media_save( struct media* m )

src/process.c

@@ -186,18 +186,23 @@ static bool rotate_log( int section )
 	snprintf( buffer1,sizeof(buffer1), "%s.%d", logfile, 5 );
 	unlink( buffer1 );
 
+	snprintf( buffer1,sizeof(buffer1), "%s.%d", logfile, 5 );
 	snprintf( buffer2,sizeof(buffer2), "%s.%d", logfile, 4 );
 	rename( buffer2, buffer1 );
 
+	snprintf( buffer1,sizeof(buffer1), "%s.%d", logfile, 4 );
+	snprintf( buffer2,sizeof(buffer2), "%s.%d", logfile, 3 );
+	rename( buffer2, buffer1 );
+
 	snprintf( buffer1,sizeof(buffer1), "%s.%d", logfile, 3 );
-	rename( buffer1, buffer2 );
+	snprintf( buffer2,sizeof(buffer2), "%s.%d", logfile, 2 );
+	rename( buffer2, buffer1 );
 
-	snprintf( buffer1,sizeof(buffer2), "%s.%d", logfile, 2 );
+	snprintf( buffer1,sizeof(buffer1), "%s.%d", logfile, 2 );
+	snprintf( buffer2,sizeof(buffer2), "%s.%d", logfile, 1 );
 	rename( buffer2, buffer1 );
 
 	snprintf( buffer1,sizeof(buffer1), "%s.%d", logfile, 1 );
-	rename( buffer1, buffer2 );
-
 	rename( logfile, buffer1 );
 
 	return true;