[gupnp] (14 commits) Non-fast-forward update to branch wip/gi-docgen

[Jens Georg <jensgeorg src gnome org>]

The branch 'wip/gi-docgen' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  383b022... wip
  0f25417... wip: More doc fixes
  02370f8... Fix gi-docgen.wrap

Commits added to the branch:

  91209f0... Update gitignore (*)
  83cfaf9... context-filter: Use HashTable instead of GList (*)
  e7a3b3a... context-filter: Use HashTable instead of GList (*)
  eb7e1d2... resource-factory: Use GOnce for singleton (*)
  1afa452... clang-format: Stop reflowing comments (*)
  cdb1842... Remove more white-list references (*)
  e43fe1b... Prepare 1.3.1 (*)
  46ee49b... ci: Add gi-docgen dependencies (*)
  d88a0c4... build: Add fallback option for gssdp (*)
  ab783c0... wip
  5aa539a... wip: More doc fixes
  3e7822f... wip
  36799a7... wip
  7082e75... wip

(*) This commit already existed in another branch; no separate mail sent