Add doc2texi.el used to generate gnuplot-eldoc.el and gnuplot.texi

Author: minad

.elpaignore

@@ -6,4 +6,5 @@ Makefile
 gnuplot-debug-context.el
 gnuplot-test-context.el
 gnuplot-tests.el
-gpelcard.tex
+gpelcard.tex
+doc2texi.el

.gitignore

@@ -3,14 +3,15 @@
 *.elc
 *.log
 *.pdf
+*.tar.gz
+*.tar.xz
 */#*#
 *~
 .#*
 /#*#
 /*-autoloads.el
 /*-pkg.el
+/gnuplot-*.*.*/
 /gpelcard.ps
 /hacks.el
-/info-look.el
-gnuplot-mode-*.tar.gz
-/gnuplot-*.*.*/
+/info-look.el