Ignore .gitignore and .gitattributes for exports

Allow local attributes to alter distribution archives

.gitattributes

@@ -1,3 +1,8 @@
 
 # ignore Makefile for distribution archives
 /Makefile export-ignore
+
+# ignore .gitignore and this file (the .gitignore files in subdirectories
+# are not really used, but just a way to track empty directories)
+.gitignore export-ignore
+.gitattributes export-ignore

Makefile

@@ -16,11 +16,11 @@ dist: dist-tar dist-zip
 
 dist-zip:
 	@rm -f easyrpg-rtp.zip
-	@git archive --prefix=EasyRPG-RTP/ -9 --output=$(MYDIR)/easyrpg-rtp.zip master
+	@git archive --prefix=EasyRPG-RTP/ -9 --output=$(MYDIR)/easyrpg-rtp.zip --worktree-attributes master
 
 dist-tar:
 	@rm -f easyrpg-rtp.tar.gz
-	@git archive --prefix=EasyRPG-RTP/ --output=$(MYDIR)/easyrpg-rtp.tar.gz master
+	@git archive --prefix=EasyRPG-RTP/ --output=$(MYDIR)/easyrpg-rtp.tar.gz --worktree-attributes master
 
 optimize: optimize-png