[gnome-builder] (48 commits) ...egg-signal-group: add more assertions

[Christian Hergert <chergert src gnome org>]

Summary of changes:

  39eee91... greeter: start experiment with new greeter designs (*)
  b2fe7f8... build: move to src/greeter/ (*)
  005061b... greeter: stub out project row using GtkListBoxRow subclass (*)
  9d01a4b... greeter: more plumbing for project rows (*)
  dbcbbbe... util: add listbox separator row helper (*)
  26358cd... egg-binding-set: add egg_binding_set_bind_full() (*)
  d563516... project-info: add ide_project_info_get_is_recent() (*)
  5a79d8a... greeter: incremental greeter design work (*)
  e2165b3... xml: add simplified xml reader interface (*)
  4c1ccc6... doap: add simple doap parser (*)
  eab04ae... build: sort and whitespace (*)
  94ffc0b... po: update POTFILES (*)
  f47026e... miner: mine .doap from autotools projects (*)
  92f6ce1... mine: don't leak GFileInfo while enumerating (*)
  46c937b... autotools: add missing strdup in previous commit (*)
  3796f06... project-info: add description property (*)
  61cc113... doap: delimit newlines from shortdesc (*)
  2bcc80a... autotools-miner: set description from doap if available (*)
  b231770... greeter: bind description project info to label (*)
  4848023... greeter: add GbGreeterPillBox (*)
  e856232... project-info: add getter for doap (*)
  1190e97... greeter: sort project rows (*)
  214ba82... greeter: add header row to other projects (*)
  a3874b3... greeter: add languages to project row (*)
  f6c5b67... greeter: add row to proper list box based on recency (*)
  b1ec92d... greeter: implement searching with IdePatternSpec (*)
  2244881... greeter: hide groups when no items are visible (*)
  cd5b580... greeter: cleanup row filtering (*)
  b677f2c... context: load doap during context load (*)
  9bc23da... recent-projects: load description with recent info (*)
  c393e40... greeter: cleanup filter application (*)
  ae97a40... project-info: give info access to programming languages (*)
  e9ff2ae... greeter: load project when row is activated (*)
  72ddb03... doap: add languages to builder's doap (*)
  29bb815... context: store langauge groups to recent info (*)
  704a298... greeter: apply window settings to greeter window (*)
  9045d4a... app: use new greeter window (*)
  2ecf800... greeter: enable new-project action with improved window sta (*)
  a53414a... greeter: destroy transient-for if its a greeter window (*)
  242b24f... greeter: disable object selection for now (*)
  37eec3b... greeter: activate first row when search entry is activated (*)
  20ae515... greeter: ensure rows are visible when focused (*)
  700b840... greeter: allow keynav between list boxes (*)
  31a677c... greeter: cleanup dead code (*)
  24d506e... egg-signal-group: connect_object() handles dispose case, so (*)
  208c924... workspace: ensure we save timeout source id (*)
  dbfd386... editor: make sure we zero the handler id after use too (*)
  9338f92... egg-signal-group: add more assertions (*)

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