- renamed "parameter" into "attributes" in nx - renamed "info parameter" into "info attributes" in nx - updated migration guide - fixed several common typos
- Added support for companion documentation files (based on the file extension *.nxd) - Moved the nsf and nx documentation blocks in generic/predefined.nxd and library/nx/nx.nxd, respectively - Un-exported @param, provide two aliases @attribute and @parameter (in the respective contexts). - Changed the test suite and the two documentations to reflect the naming changes.