Added more plugin hooks

Added proxy auth plugin example (dev)

plugins/proxyauth-login-example/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014 RainLoop Team
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

plugins/proxyauth-login-example/VERSION

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+1.0

plugins/proxyauth-login-example/index.php

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+<?php
+
+class ProxyauthLoginExamplePlugin extends \RainLoop\Plugins\AbstractPlugin
+{
+	public function Init()
+	{
+		$this->addHook('event.login-post-login-provide', 'EventLoginPostLoginProvide');
+	}
+
+	/**
+	 * @param \RainLoop\Account $oAccount
+	 */
+	public function EventLoginPostLoginProvide(&$oAccount)
+	{
+		if ($oAccount instanceof \RainLoop\Account)
+		{
+			// Verify logic
+			$bValid = isValidAccount($oAccount->Login(), $oAccount->Password());
+
+			/**
+			 * $oAccount->Email();			// Email (It is not a IMAP login)
+			 * $oAccount->Login();			// IMAP login
+			 * $oAccount->Password();		// IMAP password
+			 * $oAccount->DomainIncHost();  // IMAP host
+			 *
+			 * @see \RainLoo\Account for more
+			 */
+
+			if ($bValid) // if verify failed
+			{
+				// throw a Auth Error Exception
+				throw new \RainLoop\Exceptions\ClientException(\RainLoop\Notifications::AuthError);
+			}
+			else // Or setup your proxyauth admin account credentials
+			{
+				$oAccount->SetProxyAuthUser('admin@domain.com');
+				$oAccount->SetProxyAuthPassword('secret-admin-password');
+			}
+		}
+	}
+}