Prepare for pgfplots countour lines

.gitignore

@@ -9,3 +9,6 @@
 *.fls
 tags
 *.bak*
+*.dat
+*.script
+*.table

.latexmkrc

@@ -0,0 +1,3 @@
+$pdf_mode = 1;
+$pdflatex = 'pdflatex --shell-escape';
+$clean_ext = 'dat table script';