* Add regexp field to "ip dns static"
* Change test_invalid_required_missing to use "ip dhcp-server"
"ip dns static" requires name or regexp so it cannot be used in this test.
* Add required_one_of attribute to APIData
Used by "ip dns static" which requires either "name" or "regexp.
* Add mutually_exclusive attribute to APIData
Used by "ip dns static" where only one of "name" or "regexp" can be used.
* Add changelog fragment
* Add api_info and api_modify modules.
* Add documentation, and cross-references for the modules.
* Bump version added for new modules.
* Ignore dynamic entries. Allow _info module to return them.
* Document behavior for dynamic entries.
* Update license headers.
* Add disclaimer.
* Improve formulation.
* Auto-generate path list in DOCUMENTATION.
* Add test to make sure lists have been generated automatically.
