contrib: Updated bitcoind in CI builder image to 0.15.1

Signed-off-by: Christian Decker <decker.christian@gmail.com>

contrib/Dockerfile.builder

@@ -30,9 +30,9 @@ RUN apt-get -qq update && \
 	rm -rf /var/lib/apt/lists/*
 
 RUN cd /tmp/ && \
-    wget https://bitcoin.org/bin/bitcoin-core-0.15.0.1/bitcoin-0.15.0.1-x86_64-linux-gnu.tar.gz -O bitcoin.tar.gz && \
+    wget https://bitcoin.org/bin/bitcoin-core-0.15.1/bitcoin-0.15.1-x86_64-linux-gnu.tar.gz -O bitcoin.tar.gz && \
     tar -xvzf bitcoin.tar.gz && \
-    mv /tmp/bitcoin-0.15.0/bin/bitcoin* /usr/local/bin/ && \
-    rm -rf bitcoin.tar.gz /tmp/bitcoin-0.15.0
+    mv /tmp/bitcoin-0.15.1/bin/bitcoin* /usr/local/bin/ && \
+    rm -rf bitcoin.tar.gz /tmp/bitcoin-0.15.1
 
 RUN pip3 install python-bitcoinlib==0.7.0 pytest==3.0.5 setuptools==36.6.0 pytest-test-groups==1.0.3

contrib/Dockerfile.builder.i386

@@ -30,9 +30,9 @@ RUN apt-get -qq update && \
 	rm -rf /var/lib/apt/lists/*
 
 RUN cd /tmp/ && \
-    wget https://bitcoin.org/bin/bitcoin-core-0.15.0.1/bitcoin-0.15.0.1-i686-pc-linux-gnu.tar.gz -O bitcoin.tar.gz && \
+    wget https://bitcoin.org/bin/bitcoin-core-0.15.1/bitcoin-0.15.1-i686-pc-linux-gnu.tar.gz -O bitcoin.tar.gz && \
     tar -xvzf bitcoin.tar.gz && \
-    mv /tmp/bitcoin-0.15.0/bin/bitcoin* /usr/local/bin/ && \
-    rm -rf bitcoin.tar.gz /tmp/bitcoin-0.15.0
+    mv /tmp/bitcoin-0.15.1/bin/bitcoin* /usr/local/bin/ && \
+    rm -rf bitcoin.tar.gz /tmp/bitcoin-0.15.1
 
 RUN pip3 install python-bitcoinlib==0.7.0 pytest==3.0.5 setuptools==36.6.0 pytest-test-groups==1.0.3