experimental support for per-user plugins (bump schema)

plugins/digest/digest.php

@@ -7,7 +7,8 @@ class Digest extends Plugin implements IHandler {
 	function _about() {
 		return array(1.0,
 			"Digest mode for tt-rss (tablet friendly UI)",
-			"fox");
+			"fox",
+			true);
 	}
 
 	function __construct($host) {

plugins/example/example.php

@@ -9,7 +9,8 @@ class Example extends Plugin {
 	function _about() {
 		return array(1.0,
 			"Example plugin #1",
-			"fox");
+			"fox",
+			true);
 	}
 
 	function __construct($host) {

plugins/example_feed/example_feed.php

@@ -10,7 +10,8 @@ class Example_Feed extends Plugin {
 	function _about() {
 		return array(1.0,
 			"Example feed plugin",
-			"fox");
+			"fox",
+			true);
 	}
 
 	function __construct($host) {

plugins/example_routing/example_routing.php

@@ -18,7 +18,8 @@ class Example_Routing extends Plugin implements IHandler {
 	function _about() {
 		return array(1.0,
 			"Example routing plugin",
-			"fox");
+			"fox",
+			true);
 	}
 
 	function __construct($host) {

plugins/instances/instances.php

@@ -13,7 +13,8 @@ class Instances extends Plugin implements IHandler {
 	function _about() {
 		return array(1.0,
 			"Support for linking tt-rss instances together and sharing popular feeds.",
-			"fox");
+			"fox",
+			true);
 	}
 
 	function __construct($host) {

plugins/updater/updater.php

@@ -7,7 +7,8 @@ class Updater extends Plugin {
 	function _about() {
 		return array(1.0,
 			"Updates tt-rss installation to latest version.",
-			"fox");
+			"fox",
+			true);
 	}
 
 	function __construct($host) {