re-integrate runtime/ vim-patch:0 #938

Vim runtime files based on 7.4.384 / hg changeset 7090d7f160f7

Excluding:
  Amiga icons (*.info, icons/)
  doc/hangulin.txt
  tutor/
  spell/
  lang/ (only used for menu translations)
  macros/maze/, macros/hanoi/, macros/life/, macros/urm/
      These were used to test vi compatibility.
  termcap
      "Demonstration of a termcap file (for the Amiga and Archimedes)"

Helped-by: Rich Wareham <rjw57@cam.ac.uk>
Helped-by: John <john.schmidt.h@gmail.com>
Helped-by: Yann <yann@yann-salaun.com>
Helped-by: Christophe Badoit <c.badoit@lesiteimmo.com>
Helped-by: drasill <github@tof2k.com>
Helped-by: Tae Sandoval Murgan <taecilla@gmail.com>
Helped-by: Lowe Thiderman <lowe.thiderman@gmail.com>

runtime/tools/blink.c

@@ -0,0 +1,21 @@
+/*
+ * An extremely simple program to make the cursor blink in an xterm.
+ * This is useful when the cursor is hard to spot in a highlighted file.
+ * Start in the background: "blink&"  Stop by killing it.
+ * Bram Moolenaar  980109  (based on an idea from John Lange).
+ */
+
+#include <stdio.h>
+
+main()
+{
+	while (1)
+	{
+		printf("\e[?25h");
+		fflush(stdout);
+		usleep(400000);		/* on time */
+		printf("\e[?25l");
+		fflush(stdout);
+		usleep(250000);		/* off time */
+	}
+}