cleanup codebase (#46)

* cleanup codebase

* fix typo

* add nil checks to on_place

* nuke all mod loaded statements

ferns/locale/template.txt

@@ -1,18 +1,9 @@
 # textdomain: ferns
-
-# SOME DESCRIPTIVE TITLE.
-# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
-# This file is distributed under the same license as the PACKAGE package.
-# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-#
-
-
 Fiddlehead=
 Roasted Fiddlehead=
 Fern Tuber=
 Roasted Fern Tuber=
 Lady-fern (Athyrium)=
-Tree Fern Crown (Dicksonia)=
 Giant Tree Fern Leaves=
 Giant Tree Fern Leave End=
 Giant Fern Trunk=
@@ -21,3 +12,4 @@ Young Horsetail (Equisetum)=
 Horsetail (Equisetum)=
 Fern Trunk (Dicksonia)=
 Tree Fern Sapling (Dicksonia)=
+Tree Fern Crown (Dicksonia)=