[gnome-builder] (19 commits) ...style: don't override Dzl theme CSS element names

[Christian Hergert <chergert src gnome org>]

Summary of changes:

  ef4b9c6... build: add libdazzle-1.0 dependency (*)
  574f364... remove autotools (*)
  ebb5109... pnl: switch to libdazzle from panel-gtk (*)
  e203632... dazzle: rip out internals and move to dazzle (*)
  fa9fee3... project-tree: use dazzle for file manager helper (*)
  14b96dd... build: remove librg in favor of libdazzle (*)
  9a6030d... build: remove libsearch (*)
  4597551... tmpl: update tmpl snapshot (*)
  2fbd915... build: fix python imports of Dazzle (*)
  ed15404... build: ensure ide_gettext() gets into Gir and vapi (*)
  30ae885... whitespace cleanup (*)
  7103b61... build: copy libide-1.0.deps over to the builddir (*)
  ec9bd5e... build: use externally installed template-glib library (*)
  378c0a4... build: use external dependency for jsonrpc-glib (*)
  7264de8... build: update flatpak manifest for meson port (*)
  6d1183c... update .gitignore (*)
  3e18f61... build: switch json-glib to using meson (*)
  55888ab... app: inherit from DzlApplication (*)
  0ddb5a7... style: don't override Dzl theme CSS element names (*)

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