use lualatex instead of pdflatex

Makefile

@@ -6,6 +6,7 @@ DIRECTORIES = $(filter-out "." ".git",$(shell find . -maxdepth 1 -type d -printf
 TEMP_FILES  = aux log tns fdb_latexmk fls synctex.gz pdf out
 TEMPLATE    = Template
 
+TEXMK       = latexmk -lualatex
 RM          = rm -f
 CP          = cp -r
 
@@ -25,7 +26,7 @@ clean-full:
 build:
 	@for dir in $(filter-out "$(TEMPLATE)",$(DIRECTORIES)); do \
 		cd "$$dir"; \
-		pdflatex $(TEX); \
+		$(TEXMK) $(TEX); \
 		mv $(NAME).pdf "../$(FULLNAME)-$$dir.pdf"; \
 		cd ..; \
 	done;