Merge pull request #4 from hirocaster/update-0.3.10

Version up 0.3.10
Use boxen::env_script
Updates to fix specs
Support for Ruby 2.0.0
Setting Boxen fixture version to minimum required
Updating Readme to reflect this minimum requirement and extra details regarding module
Bump packer to version 0.5.1
Merge pull request #7 from ys/patch-1

Bump packer to version 0.5.1
Add amd64 arch support

On Linux nodes, the `architecture` fact presents itself as `amd64`. This prevents the ARM download unnecessarily.
Bump version to 0.5.2
Add support for i386 architecture
Merge pull request #1 from rodjek/patch-2

Add support for i386 architecture
Merge pull request #8 from jfryman/patch-1

Add amd64 arch support
Merge pull request #10 from jen20/master

Bump version to 0.5.2
Update packer version
Merge pull request #11 from bshaw/master

Update packer version
packer 0.7.0 and up have a different uri structure. updating
might as well version bump