Updated Makefile.

Makefile

@@ -1,6 +1,6 @@
 DOTPATH    := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
-CANDIDATES := $(wildcard .??*) 
-EXCLUSIONS := .DS_Store .git .gitmodules .gitignore init 
+CANDIDATES := $(wildcard .??*)
+EXCLUSIONS := Makefile screenshot.png .DS_Store .git .gitmodules .gitignore README.md init
 DOTFILES   := $(filter-out $(EXCLUSIONS), $(CANDIDATES))
 
 all: install
@@ -32,4 +32,4 @@ install: update deploy
 clean:
 	@echo 'Remove dot files in your home directory...'
 	@-$(foreach val, $(DOTFILES), rm -vrf $(HOME)/$(val);)
-	-rm -rf $(DOTPATH)
+	-rm -rf $(DOTPATH)