[librsvg] (38 commits) ...rsvg.symbols: add rsvg_handle_get_geometry_sub

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  707af40... Use the master branch of the gtk-rs crates, for glib's subc
  d190b16... Don't use private enums submodule
  ff3c72a... gio::content_type_get_mime_type() changed return type
  c3b84d7... Adjust for changes in cairo::Status vs. cairo_sys::cairo_st
  9ce64ae... Start porting the GObject boilerplate to use glib::subclass
  2591064... Use expect() instead of unreachable() for the property valu
  6e679ae... Use unreachable!() for invalid property IDs
  95045d7... check_is_loaded() - Renamed; return a Result instead of a b
  9a8340e... check_is_loaded(): turn into a method of Handle
  6171043... Do the check_is_loaded() checks in the Handle methods, not 
  241f98e... Handle::has_sub() - Move the implementation to this method
  d8df693... rsvg_handle_rust_get_pixbuf_sub(): Move the loaded check to
  cf456a0... Handle::get_pixbuf_sub() - Turn into a method
  b01e5d6... Handle::get_dimensions_no_error(): Implement the error-less
  aa25818... handle.rs: Make some fields/methods public so c_api.rs can 
  f0f866e... Handle::read_stream_sync(): Take a &self, not &mut self
  b16e899... Make Handle.buffer a RefCell so all fields have interior mu
  50dce14... Handle::create_drawing_ctx_for_node(): Take a &self, not &m
  0b2c680... Handle: make all methods take &self, not &mut self
  8945e7c... Handle::get_property() - Implement
  b814b22... Handle::constructed() - Removed; we can use the default imp
  3ec1467... tests/api.c: Add tests for all the GObject properties in Rs
  ce0aa17... handle.rs: Make all functions take a *const RsvgHandle
  1468d89... get_rust_handle() can now return a &Handle, not a &mut Hand
  689ccea... Bind RsvgHandleFlags with bitflags, to Rust
  3f47eeb... Finish porting the GObject boilerplate to Rust.  Yay!!!!!!!
  f440ba1... Fix typo
  eb3df75... Remove a few unused prototypes
  7aefa0d... Docs: Expand the RsvgHandle description with details on pre
  a8f9996... Merge branch 'subclass'
  1c9ad6d... Include documentation for RsvgHandle properties
  1273639... Try to make Docbook 5 really work...
  afe5b98... Remove deprecation markers on the types, or gtk-doc won't i
  c3a51aa... Don't try to document RsvgHandlePrivate; it doesn't exist a
  2b7578a... Add docs for librsvg_version and associated variables
  3538223... Include RsvgRectangle in the docs
  803f722... doc/Makefile.am: only scan the sources under librsvg/, not 
  6388926... rsvg.symbols: add rsvg_handle_get_geometry_sub