Some updates for building new containers

[stackedsax]

A couple changes I found useful for building a new docker image.

1. Since the work to move everything to java 8, a newly-built docker image barfs unless this is upgraded to Java 89
2. The new image pulls in thrift 0.10.0, which breaks things... similar to this problem in pycassa. So, downgrading thrift to 0.9.3 is necessary.
3. I think that 'ROLLUP_KEYSPACE' conditional only worked by totally not working. Fixed it to make sense and actually work.

[coveralls]

Changes Unknown when pulling ff1343f on stackedsax:stackedsax/dockerfile_updates into ** on rackerlabs:master**.