[librsvg] (16 commits) ...Merge branch 'abstract-computed-values' into 'master'

[Federico Mena Quintero <federico src gnome org>]

Summary of changes:

  890292c... Generate ComputedValues with a macro
  6abe286... ComputedValues: make all fields private; access them throug
  86aca2e... SpecifiedValues::get_property - new function; use it in to_
  9c8b986... Remove impl Default for SpecifiedValue
  8b68e3f... Rename the make_computed_values macro to make_properties
  7e7c2ae... make_properties: specify all properties for ComputedValues 
  afacf14... make_properties: Add space for shorthand properties
  a7f8cdd... Generate ParsedProperty with the make_properties macro
  5dfd397... Generate PropertyId with the make_properties macro
  beb35eb... Use a PropertyId::is_shorthand() function instead of specia
  9a8a294... ComputedValues::set_value - new function to abstract settin
  4912c6f... properties.rs: Use accessor functions for ComputedValues ev
  6676472... ComputedValues::get_value - New function; do all property a
  e8e4689... Generate parse_property() with the make_properties macro
  43ff68e... A better docstring for make_properties
  12600c8... Merge branch 'abstract-computed-values' into 'master'