Upgrade to latest versions of bouncycastle and httpclient

Contributed-by: Gintautas Grigelionis
Pull request: #90

Author: jaikiran

version.properties

@@ -31,10 +31,10 @@ target.ivy.bundle.version.qualifier=alpha_
 # running Ant, so we could not use that name here.
 apache-ant.version=1.9.14
 ant-contrib.version=1.0b3
-bouncycastle.version=1.62
+bouncycastle.version=1.64
 commons-vfs2.version=2.2
 hamcrest.version=1.3
-httpclient.version=4.5.9
+httpclient.version=4.5.10
 jsch.agentproxy.version=0.0.9
 jsch.version=0.1.55
 junit.version=4.12