Update Cassandra to version 2.2.10, use main server for openssl download

Makefile

@@ -2,7 +2,7 @@ MAKEFILENAME := $(lastword $(MAKEFILE_LIST))
 
 SUB_DIRS = lib CollectAgent tools scripts
 
-CASSANDRA_VERSION = 2.2.6
+CASSANDRA_VERSION = 2.2.10
 MOSQUITTO_VERSION = 1.3.5
 BOOST_VERSION     = 1.58.0
 OPENSSL_VERSION   = 1.0.2l
@@ -15,12 +15,12 @@ BOOST_VERSION_U   = $(subst .,_,$(BOOST_VERSION))
 DISTFILES =	apache-cassandra-$(CASSANDRA_VERSION).tar.gz;http://archive.apache.org/dist/cassandra/$(CASSANDRA_VERSION)/apache-cassandra-$(CASSANDRA_VERSION)-bin.tar.gz \
 		mosquitto-$(MOSQUITTO_VERSION).tar.gz;http://mosquitto.org/files/source/mosquitto-$(MOSQUITTO_VERSION).tar.gz \
 		boost_$(BOOST_VERSION_U).tar.gz;http://$(SOURCEFORGE_MROR).dl.sourceforge.net/project/boost/boost/$(BOOST_VERSION)/boost_$(BOOST_VERSION_U).tar.gz \
-		openssl-$(OPENSSL_VERSION).tar.gz;ftp://ftp.pca.dfn.de/pub/tools/net/openssl/source/openssl-$(OPENSSL_VERSION).tar.gz \
+		openssl-$(OPENSSL_VERSION).tar.gz;https://www.openssl.org/source/openssl-$(OPENSSL_VERSION).tar.gz \
 		libuv-v$(LIBUV_VERSION).tar.gz;http://dist.libuv.org/dist/v$(LIBUV_VERSION)/libuv-v$(LIBUV_VERSION).tar.gz \
 		cpp-driver-$(CPPDRV_VERSION).tar.gz;https://github.com/datastax/cpp-driver/archive/$(CPPDRV_VERSION).tar.gz \
 		cpp-netlib-$(CPPNET_VERSION).tar.gz;http://downloads.cpp-netlib.org/0.12.0/cpp-netlib-$(CPPNET_VERSION).tar.gz 
 
-DISTFILES_HASHES = apache-cassandra-2.2.6.tar.gz|8e2a8696ced6c4f9db06c40b2f5a7936;mosquitto-1.3.5.tar.gz|55094ad4dc7c7985377f43d4fc3d09da;boost_1_58_0.tar.gz|5a5d5614d9a07672e1ab2a250b5defc5;openssl-1.0.2l.tar.gz|f85123cd390e864dfbe517e7616e6566;cpp-driver-2.0.1.tar.gz|70bf83e1cbd0d35b7e5ed66fc4dccbb1;libuv-v0.10.36.tar.gz|8eb77b4fee4f311c114a9fee06f5a2ab;cpp-netlib-0.12.0-final.tar.gz|29b87c0e8c1a9e7fbdea5afcec947d53
+DISTFILES_HASHES = apache-cassandra-2.2.10.tar.gz|4c58cb7c6753ce26f7c4d650502feece;mosquitto-1.3.5.tar.gz|55094ad4dc7c7985377f43d4fc3d09da;boost_1_58_0.tar.gz|5a5d5614d9a07672e1ab2a250b5defc5;openssl-1.0.2l.tar.gz|f85123cd390e864dfbe517e7616e6566;cpp-driver-2.0.1.tar.gz|70bf83e1cbd0d35b7e5ed66fc4dccbb1;libuv-v0.10.36.tar.gz|8eb77b4fee4f311c114a9fee06f5a2ab;cpp-netlib-0.12.0-final.tar.gz|29b87c0e8c1a9e7fbdea5afcec947d53
 
 include common.mk