We install JDK on all nodes instead of JRE

Because we’re baller like that.
fix: .bashrc env variables tasks
Merge branch 'master' of git://github.com/geotrellis/geotrellis
Merge branch 'master' of git://github.com/geotrellis/geotrellis
Accumulo support
PKZIP decompression works. Actually it is exactly the same as ZLIB. Also slayed a bug when there was floating point numbers, reversing depends on byte order and it shouldn't just always be reversed.
EC2 ansible scripts re-organization
misc fixes to ansible scripts
Merge pull request #856 from johanstenberg92/feature/geotiff-reader-pkzip-decompression

Feature/geotiff reader pkzip decompression
Merge pull request #857 from echeipesh/feacture/ansible-accumulo

Ansible Accumulo script
Change OpenJDK install state from `latest` to `present`

Using `latest` can be dangerous because it can trigger an unexpected
package update if the version of OpenJDK in the repositories changes.
Make use of `ansible_distribution_release`.
Only run these when not in "development" mode.
Add a Vagrantfile to test the Spark master.