* configclients.jsp:

- Always show start button for webapps and plugins
    * configclients.jsp, configupdate.jsp:
      - Fix submission when entering CR in a text box
    * Plugins:
      - Stop all plugins at shutdown
      - Log tweaks
    * WebApps:
      - Remove the WAC after stopping it
      - Stop a WAC before starting it to prevent dups

apps/routerconsole/java/src/net/i2p/router/web/PluginStopper.java

@@ -0,0 +1,40 @@
+package net.i2p.router.web;
+
+import net.i2p.router.RouterContext;
+import net.i2p.util.Log;
+
+/**
+ *  Stop all plugins that are installed
+ *
+ *  @since 0.7.13
+ *  @author zzz
+ */
+public class PluginStopper extends PluginStarter {
+
+    public PluginStopper(RouterContext ctx) {
+        super(ctx);
+    }
+
+    @Override
+    public void run() {
+        stopPlugins(_context);
+    }
+
+    /**
+     *  Stop all plugins
+     *  (whether or not they were ever started)
+     *
+     *  this shouldn't throw anything
+     */
+    static void stopPlugins(RouterContext ctx) {
+        Log log = ctx.logManager().getLog(PluginStopper.class);
+        for (String app : getPlugins()) {
+            try {
+               stopPlugin(ctx, app);
+            } catch (Throwable e) {
+               if (log.shouldLog(Log.WARN))
+                   log.warn("Failed to stop plugin: " + app, e);
+            }
+        }
+    }
+}