[tracker] (26 commits) Non-fast-forward update to branch wip/carlosg/test

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/test' 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:

  cc5ae31... ci: Update fedora image with documentation tools
  c486b30... ci: Make Rawhide failable
  6bb7518... ci: Add glib2-doc to fedora image

Commits added to the branch:

  454b52c... meson: Adjust indentation (*)
  aacce55... docs: Generate reference manual with gi-docgen (*)
  16e461e... meson: Add gi-docgen as a subproject (*)
  e4d6e5d... docs: Move overview to markdown (*)
  13b35ed... docs: Port "implementation limits" document to markdown (*)
  dd78ca9... docs: Port "performance" docs to markdown (*)
  4bd6566... docs: Port "sparql functions" doc to markdown (*)
  93336a9... docs: Port "sparql and tracker" documentation to Markdown (*)
  36f0830... docs: Port "defining ontologies" documentation to markdown (*)
  d2e4500... docs: Port "examples" to markdown (*)
  6da928b... docs: Port "migrating 2.x to 3.x" to markdown (*)
  3edf533... docs: Drop "migrating 1.x to 2.x" docs (*)
  1a4b46a... docs: Finish porting of tutorial docs to Markdown (*)
  b8baf77... docs: Delete gtk-doc remnants (*)
  6b6214f... docs: Build again manpages and ontology docs (*)
  99ff643... docs: Rewrite data model of documentation tool (*)
  b4effff... docs: Refactor common utils to separate file (*)
  69f9fce... docs: Move all XML generation into a single file (*)
  c3b82a9... docs: Rename code file (*)
  8e8ad92... tools: Rename docgen executable (*)
  0b67c24... docs: Generalize class hierarchy creation further (*)
  da0c6a3... docs: Add documentation generation in markdown format (*)
  6e26175... ontologies: Add separate documentation file for RDFS (*)
  5bf212a... docs: Generate base ontology documentation for gi-docgen do (*)
  c5414ed... docs: Generate examples page with actual examples (*)
  2f6d3fb... foo

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