Makefile: use wildcard to get *tex files

doc/report/Makefile

-TEX_SOURCES = report.tex abstract.tex intro.tex \
-    endpoints.tex applications.tex conclusion.tex \
-    applications-ulo-table.tex collecter.tex
+TEX_SOURCES = $(wildcard *.tex)
 
 report.pdf: $(TEX_SOURCES) references.bib
-	pdflatex $<
-	biber $(basename $<)
-	pdflatex $<
+	pdflatex report.tex
+	biber report
+	pdflatex report.tex
 
 view: report.pdf
 	mupdf $<