HADOOP-15900. Update JSch versions in LICENSE.txt.

(cherry picked from commit d43cc5db0ff80958ca873df1dc2fa00054e37175)

Conflicts:
	LICENSE.txt
(cherry picked from commit 939827daa65b61431cdb66d0ac266b902b8734c4)
(cherry picked from commit 1f3899fa3b46543e49702f71ce7641463a893886)
diff --git a/LICENSE.txt b/LICENSE.txt
index 23c63be..5283f67 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1716,7 +1716,7 @@
 The binary distribution of this product bundles these dependencies under the
 following license:
 ASM Core 3.2
-JSch 0.1.51
+JSch 0.1.54
 ParaNamer Core 2.3
 JLine 0.9.94
 leveldbjni-all 1.8