Fix build

Initial build to Sisyphus

Update to new maintenance upstream 1.6.3

Update to new maintenance upstream 1.6.2

Update to new maintenance upstream 1.6.1

Update to new upstream 1.6.0
Add the new vst plugin in a new sub-package.
Remove ugly plurals of "plugins". There is only one.
Fix build with new gtkmm24

Remove the invalid ZERO WIDTH SPACE chars from the metainfo files.

Move license files to the -data subpackage.
Use fully versioned dependency in subpackages.
Update the description of -the data subpackage.
Add the skins/README as a doc file.

Each plugins have now their licenses files and docs.
Data subpackae for data files required by plugins.

CHange the name of the dssi subckage to dssi-amsytnh-plugins.

Add the support of alsa, lash and dssi. Can now export with libsndfile.
New subpackage for dssi's plugins.
Use now the right license: GPLv2+

Initial spec