ARROW-1620: Python: Download Boost in manylinux1 build from bintray

Change-Id: Ib82766aa7980ffed73c025a4277d37cb559db036

python/manylinux1/scripts/build_boost.sh

@@ -16,10 +16,13 @@
 # specific language governing permissions and limitations
 # under the License.
 
-wget --no-check-certificate http://downloads.sourceforge.net/project/boost/boost/1.60.0/boost_1_60_0.tar.gz -O /boost_1_60_0.tar.gz
-tar xf boost_1_60_0.tar.gz
-pushd /boost_1_60_0
+BOOST_VERSION=1.65.1
+BOOST_VERSION_UNDERSCORE=${BOOST_VERSION//\./_}
+
+wget --no-check-certificate https://dl.bintray.com/boostorg/release/${BOOST_VERSION}/source/boost_${BOOST_VERSION_UNDERSCORE}.tar.gz -O /boost_${BOOST_VERSION_UNDERSCORE}.tar.gz
+tar xf boost_${BOOST_VERSION_UNDERSCORE}.tar.gz
+pushd /boost_${BOOST_VERSION_UNDERSCORE}
 ./bootstrap.sh
 ./bjam cxxflags=-fPIC cflags=-fPIC --prefix=/usr --with-filesystem --with-date_time --with-system --with-regex install
 popd
-rm -rf boost_1_60_0.tar.gz boost_1_60_0
+rm -rf boost_${BOOST_VERSION_UNDERSCORE}.tar.gz boost_${BOOST_VERSION_UNDERSCORE}