Add missing composer.json files (skipped because of .gitignore)

plugins/autologon/composer.json

@@ -0,0 +1,24 @@
+{
+    "name": "roundcube/autologon",
+    "type": "roundcube-plugin",
+    "description": "Sample plugin to try out some hooks",
+    "license": "GPLv3+",
+    "version": "1.0",
+    "authors": [
+        {
+            "name": "Thomas Bruederli",
+            "email": "roundcube@gmail.com",
+            "role": "Lead"
+        }
+    ],
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "http://plugins.roundcube.net"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.0",
+        "roundcube/plugin-installer": ">=0.1.3"
+    }
+}

plugins/example_addressbook/composer.json

@@ -0,0 +1,24 @@
+{
+    "name": "roundcube/example_addressbook",
+    "type": "roundcube-plugin",
+    "description": "Sample plugin to add a new address book with just a static list of contacts",
+    "license": "GPLv3+",
+    "version": "1.0",
+    "authors": [
+        {
+            "name": "Thomas Bruederli",
+            "email": "roundcube@gmail.com",
+            "role": "Lead"
+        }
+    ],
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "http://plugins.roundcube.net"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.0",
+        "roundcube/plugin-installer": ">=0.1.3"
+    }
+}

plugins/http_authentication/composer.json

@@ -0,0 +1,24 @@
+{
+    "name": "roundcube/http_authentication",
+    "type": "roundcube-plugin",
+    "description": "HTTP Basic Authentication",
+    "license": "GPLv3+",
+    "version": "1.5",
+    "authors": [
+        {
+            "name": "Thomas Bruederli",
+            "email": "roundcube@gmail.com",
+            "role": "Lead"
+        }
+    ],
+    "repositories": [
+        {
+            "type": "composer",
+            "url": "http://plugins.roundcube.net"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.0",
+        "roundcube/plugin-installer": ">=0.1.3"
+    }
+}