Update URLs for bouncycastle

The bouncycastle libs are now available on Maven Central [1].

[1] https://www.bouncycastle.org/latest_releases.html

Bug: Issue 4056
Change-Id: Ib99ee29f5c9572b06d3ee3200123ff751c2f924b
Signed-off-by: Edwin Kempin <ekempin@google.com>

gerrit-pgm/src/main/resources/com/google/gerrit/pgm/init/libraries.config

diff --git a/gerrit-pgm/src/main/resources/com/google/gerrit/pgm/init/libraries.config b/gerrit-pgm/src/main/resources/com/google/gerrit/pgm/init/libraries.config
index 39d647d..4a1e587 100644
--- a/gerrit-pgm/src/main/resources/com/google/gerrit/pgm/init/libraries.config
+++ b/gerrit-pgm/src/main/resources/com/google/gerrit/pgm/init/libraries.config
@@ -16,14 +16,14 @@
 # Version should match lib/bouncycastle/BUCK
 [library "bouncyCastleProvider"]
   name = Bouncy Castle Crypto Provider v152
-  url = http://www.bouncycastle.org/download/bcprov-jdk15on-152.jar
+  url = http://repo2.maven.org/maven2/org/bouncycastle/bcprov-jdk15on/1.52/bcprov-jdk15on-1.52.jar
   sha1 = 88a941faf9819d371e3174b5ed56a3f3f7d73269
   remove = bcprov-.*[.]jar
 
 # Version should match lib/bouncycastle/BUCK
 [library "bouncyCastleSSL"]
   name = Bouncy Castle Crypto SSL v152
-  url = http://www.bouncycastle.org/download/bcpkix-jdk15on-152.jar
+  url = http://repo2.maven.org/maven2/org/bouncycastle/bcpkix-jdk15on/1.52/bcpkix-jdk15on-1.52.jar
   sha1 = b8ffac2bbc6626f86909589c8cc63637cc936504
   needs = bouncyCastleProvider
   remove = bcpkix-.*[.]jar
@@ -31,7 +31,7 @@
 # Version should match lib/bouncycastle/BUCK
 [library "bouncyCastlePGP"]
   name = Bouncy Castle Crypto OpenPGP v152
-  url = http://www.bouncycastle.org/download/bcpg-jdk15on-152.jar
+  url = http://repo2.maven.org/maven2/org/bouncycastle/bcpg-jdk15on/1.52/bcpg-jdk15on-1.52.jar
   sha1 = ff4665a4b5633ff6894209d5dd10b7e612291858
   needs = bouncyCastleProvider
   remove = bcpg-.*[.]jar