Issue #748: support for Vagrant >= 1.3.0

- since Vagrant 1.3.0 the removed options are no longer available
- see https://github.com/mitchellh/vagrant/blob/master/CHANGELOG.md#130-september-5-2013
Issue #750: fixed NoMethodError accessing node["monitoring"]["configs"]

- NoMethodError: undefined method `[]' for nil:NilClass recipes/default.rb:100
- http://stackoverflow.com/questions/19290710/ruby-syntax-in-chef-recipe
rcbops/chef-cookbooks#751: not using 'wget' anymore to get remote files

- useful for boxes without wget installed
rcbops/chef-cookbooks#751: fixed issue when path attribute was changed

- when attribute node['collectd']['collectd_web']['path'] was changed
  between two Chef runs, the tarball wasn't extracted into the new path
Merge pull request #30 from darxriggs/attributes-fix

Merged automatically by jenkins after successful build test
Merge pull request #31 from darxriggs/wget-replacement

rcbops/chef-cookbooks#751: not using 'wget' anymore to get remote files
Merge pull request #28 from darxriggs/vagrant-1.3.0-support

Issue #748: support for Vagrant >= 1.3.0