Correct spelling typo in CHANGELOG
Use include instead of parameterized class when no params are given.

Instead of perpetuating the use of parameterized classes, which we do
not want to do in light of Puppet v3 with Hiera integration, this change
invites people to use 'include' instead of the parameterized class
syntax when no params are present.
escape more braces properly

Fixes a couple of rspec regex warnings.
Merge pull request #188 from sd63/fix_regex_warning

escape more braces properly
Merge pull request #187 from ghoneycutt/style_for_class_with_no_params

Use include instead of parameterized class when no params are given.
Merge pull request #186 from ghoneycutt/typos

Correct spelling typo in CHANGELOG