add support for managing version of riak installed (useful for adding new nodes to an existing cluster)
Reverting previous commit; x-bit means changing into it possible

See https://github.com/basho/puppet-riak/commit/a83b427106af51845bfa3653dec6b6210e0ee7ec#commitcomment-4715166
Merge pull request #29 from rdark/feature/alt-package-version

add support for managing version of riak installed
Cleaning up rakefil
Fixed invalid "case" syntax

On line 118 its both a case statement and a ? selector and it caused
error. Removed the "?" selector.
Merge pull request #32 from eaapa/master

Fixed invalid "case" syntax
Restore links that were removed in error

The footnote-style hyperlinks that used to be present in the README stopped working when they were trimmed out in the previous commit (probably in error).
Merge pull request #33 from L2G/fix-readme-links

Restore links that were removed in error
Fix idempotence of symlink creation in Rakefile spec_prep task

The presence of a symlink was being tested with File.exists?, but this was not
reliable in my own testing.  I changed it to File.symlink?, which I hope
reflects the intent.
Merge pull request #34 from L2G/rake-symlink-idem

Fix idempotence of symlink creation in Rakefile spec_prep task