Makefileadaption for proper status output

scripts/Makefile

@@ -20,12 +20,12 @@ view: pdf clean
 	xdg-open $(TARGET).pdf
 
 clean:
-	@echo "\033[1;33mCleaning up requirements...\033[00m"
-	@echo "\e[1m  * Generated latex files...\e[0m"
+	@echo -e "\033[1;33mCleaning up requirements...\033[00m"
+	@echo -e "\e[1m  * Generated latex files...\e[0m"
 	@latexmk -c -f $(TARGET).tex 1> /dev/null 2> /dev/null
-	@echo "\e[1m  * Generated TeX-File...\e[0m"
+	@echo -e "\e[1m  * Generated TeX-File...\e[0m"
 	@rm -vf *.tex
 
 cleanall: clean
-	@echo "\e[1m  * Generated pdf-File...\e[0m"
-	@rm -vf $(TARGET).pdf
+	@echo -e "\e[1m  * Generated pdf-File...\e[0m"
+	@rm -vf $(TARGET).pdf