Adding lcobucci/jwt as a PHP lib (closes jsonwebtoken#25).

Author: lcobucci

html/index.jade

@@ -260,6 +260,7 @@ html(lang='en')
           include libraries/d.jade
           include libraries/clojure.jade
           include libraries/swift.jade
+          include libraries/php3.jade
 
     section.sources
       .container

html/libraries/php3.jade

@@ -0,0 +1,88 @@
+// PHP lcobucci/jwt
+article.jwt-php.php.accordion(data-accordion)
+  .panel-heading(data-control)
+    img(src='/img/5.svg')
+    h3 PHP
+  .panel-wrap(data-content)
+    .version
+      p Minimum Version 3.0.0
+        a(href='https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/', target='_blank')
+          img(src='img/ico_question.svg')
+    .panel-body.mversion
+      .column
+        p
+          i.icon-budicon-500
+          | Sign
+        p
+          i.icon-budicon-500
+          | Verify
+        p
+          i.icon-budicon-500
+          code iss
+          |  check
+        p
+          i.icon-budicon-500
+          code sub
+          |  check
+        p
+          i.icon-budicon-500
+          code aud
+          |  check
+        p
+          i.icon-budicon-500
+          code exp
+          |  check
+        p
+          i.icon-budicon-500
+          code nbf
+          |  check
+        p
+          i.icon-budicon-500
+          code iat
+          |  check
+        p
+          i.icon-budicon-500
+          code jti
+          |  check
+      .column
+        p
+          i.icon-budicon-500
+          | HS256
+        p
+          i.icon-budicon-500
+          | HS384
+        p
+          i.icon-budicon-500
+          | HS512
+        p
+          i.icon-budicon-500
+          | RS256
+        p
+          i.icon-budicon-500
+          | RS384
+        p
+          i.icon-budicon-500
+          | RS512
+        p
+          i.icon-budicon-500
+          | ES256
+        p
+          i.icon-budicon-500
+          | ES384
+        p
+          i.icon-budicon-500
+          | ES512
+
+    .author-info
+      .maintainer
+        a(href='https://github.com/lcobucci')
+          i.icon-budicon-333(data-toggle='tooltip', title='', data-original-title='Maintainer')
+          | Luís Cobucci
+        span.stars(data-repo='lcobucci/jwt', style='display: inline;')
+          i.icon-budicon-466
+      .repository
+        i.icon-1392070209-icon-social-github
+        a(href='https://github.com/lcobucci/jwt') View Repo
+
+    .panel-footer
+      code composer require lcobucci/jwt