master
spelling: fix misspellings
.gitignore: flesh out rules and add subdirectory-.gitignores.
Add DCO file
Release 1.6.0
doc,build: Fix "make install" if yat2m isn't available
doc: Provide a man page for gpgme-json.
doc: Document new fields in gpgme_signature_t
doc: Replace http: by https: in core source files.
Update automake scripts. Minor doc changes.
doc: Get rid of version.texi
Add a module overview diagram.
doc: Fix typos in documentation and source code comments
Revert "doc: Remove UI Server documentation"