Updating manylinux for Gandiva Jar Build.

Do the following to update arrow manylinux docker image for building Gandiva Jars

• Install java in the manylinux image.
• To do above, update Dockerfile-x86_64_base under python/manylinux1 to install java.
• Please note only upto java7 is available in CentOS5, so install java7 in the base.
• Export JAVA_HOME environment variable.
• Then update build_boost.sh under python/manylinux1/scripts to build boost statically.

Please look at https://github.com/praveenbingo/arrow/tree/buildGandivaDocker that already has these changes.