* Added documentation for the new methods added to gpgme.version.
* Removed the Flask based advanced use case from the what-is-new
section as that type of code will not be added here.
* Continued restructuring as part of moving beyond mere;y the HOWTO
file.
* Generated the alternative source files for reST and Texinfo.
* Fixed some errors and updated links after moving the what's new
section to two new files (yes, two).