Merge #16: Update repository mention

19ffe6d Update repository mention (Tobin C. Harding)

Pull request description:

  We are now hosting the repository at rust-bitcoin.github.io and have archived the old www.rust-bitcoin.org

  Update a couple of mentions of the old repository.

  Close: #10

ACKs for top commit:
  apoelstra:
    utACK 19ffe6d

Tree-SHA512: 46dec2d0fdf4d694d6917123e3dca2c449bb4619e32e0409dce2236eaf136a3601b19059f2febeaea23a22e53a88494fba8c3e25bee00f71edf0cc585ff41d5c

.gitignore

@@ -1,4 +1,4 @@
-# .gitignore for www.rust-bitcoin.org
+# .gitignore for rust-bitcoin.github.io
 
 # web build
 site/public

README.md

@@ -1,4 +1,4 @@
-# Website source for `www.rust-bitcoin.org`
+# Website source for `https://rust-bitcoin.org`
 
 Website for the rust-bitcoin ecosystem. The site is built using [hugo](https://gohugo.io/) and the
 [nightfall](https://themes.gohugo.io/themes/hugo-theme-nightfall/) theme.