Don't use cached Boost

CHANGELOG.md

@@ -1,6 +1,7 @@
 Version 63:
 
 * Use std::to_string instead of lexical_cast
+* Don't use cached Boost
 
 --------------------------------------------------------------------------------
 

scripts/install-boost.sh

@@ -7,8 +7,8 @@
 # When testing you can force a boost build by clearing travis caches:
 # https://travis-ci.org/ripple/rippled/caches
 set -eu
-if [ ! -d "$BOOST_ROOT/lib" ]
-then
+#if [ ! -d "$BOOST_ROOT" ]
+#then
   wget $BOOST_URL -O /tmp/boost.tar.gz
   cd `dirname $BOOST_ROOT`
   rm -fr ${BOOST_ROOT}
@@ -21,7 +21,7 @@ then
     ./bootstrap.sh --prefix=$BOOST_ROOT && \
     ./b2 -d1 $params && \
     ./b2 -d0 $params install
-else
-  echo "Using cached boost at $BOOST_ROOT"
-fi
+#else
+#  echo "Using cached boost at $BOOST_ROOT"
+#fi