Mark Constructable Stylesheets and Nesting as replaced. Closes #101.

README.md

@@ -6,11 +6,11 @@ Spec proposals that aren't yet approved by the relevant Working Group.  Everythi
 Live copies of the specs:
 
 * [CSS Toggle States Level 1](http://tabatkins.github.io/specs/css-toggle-states/)
-* [CSS Nesting](http://tabatkins.github.io/specs/css-nesting/)
+* [<s>CSS Nesting</s>](http://tabatkins.github.io/specs/css-nesting/)
 * [CSS Aliases (custom stuff)](http://tabatkins.github.io/specs/css-aliases)
 * [Layout Transitions](http://tabatkins.github.io/specs/layout-transitions)
 * [@extend](http://tabatkins.github.io/specs/css-extend-rule)
-* [Constructable Stylesheets](http://tabatkins.github.io/specs/construct-stylesheets)
+* [<s>Constructable Stylesheets</s>](http://tabatkins.github.io/specs/construct-stylesheets)
 * [SVG Parameters](http://tabatkins.github.io/specs/svg-params)
 * [CSS Cascade Control](https://tabatkins.github.io/specs/css-cascade-control/)
 * [@when/@else](https://tabatkins.github.io/specs/css-when-else/)

construct-stylesheets/index.bs

@@ -7,6 +7,7 @@ ED: http://tabatkins.github.io/specs/construct-stylesheets/
 Editor: Tab Atkins Jr., Google, http://xanthir.com/contact/
 Abstract: This draft defines additions to CSSOM to make StyleSheet objects directly constructable, along with methods and APIs to make it easier to deal with stylesheets in the context of custom elements and similar.  It also defines constructors for CSSRule objects.
 Ignored Terms: ShadowRoot, create a medialist object, add a css style sheet, document css style sheets
+Warning: replaced by https://w3c.github.io/csswg-drafts/cssom/#dom-cssstylesheet-cssstylesheet
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