add Simplified Chinese language package

application/language/cn/pagination.php

+<?php 
+
+return array(
+
+	/*
+	|--------------------------------------------------------------------------
+	| Pagination Language Lines
+	|--------------------------------------------------------------------------
+	|
+	| The following language lines are used by the paginator library to build
+	| the pagination links. You're free to change them to anything you want.
+	| If you come up with something more exciting, let us know.
+	|
+	*/
+
+	'previous' => '&laquo; 上一页',
+	'next'     => '下一页 &raquo;',
+
+);
\ No newline at end of file

application/language/cn/validation.php

+<?php 
+
+return array(
+
+	/*
+	|--------------------------------------------------------------------------
+	| Validation Language Lines
+	|--------------------------------------------------------------------------
+	|
+	| The following language lines contain the default error messages used
+	| by the validator class. Some of the rules contain multiple versions,
+	| such as the size (max, min, between) rules. These versions are used
+	| for different input types such as strings and files.
+	|
+	| These language lines may be easily changed to provide custom error
+	| messages in your application. Error messages for custom validation
+	| rules may also be added to this file.
+	|
+	*/
+
+	"accepted"       => "您必须同意 :attribute 才能继续.",
+	"active_url"     => "链接 :attribute 不合法.",
+	"after"          => " :attribute 时间必须晚于 :date.",
+	"alpha"          => "字段 :attribute 只能包含字母.",
+	"alpha_dash"     => "字段 :attribute 只能包含 字母, 数字, 中横线.",
+	"alpha_num"      => "字段 :attribute 只能包含 字母, 数字.",
+	"array"          => "字段 :attribute 必须选择.",
+	"before"         => " :attribute 日期必须早于 :date.",
+	"between"        => array(
+		"numeric" => "数字 :attribute 必须大于 :min 且小于 :max.",
+		"file"    => "文件 :attribute 大小必须大于 :min 且小于 :max KB.",
+		"string"  => "字段 :attribute 长度必须大于 :min 且小于 :max .",
+	),
+	"confirmed"      => " :attribute 确认项不匹配.",
+	"count"          => " :attribute 必须只能包含 :count 项.",
+	"countbetween"   => " :attribute 至少要有 :min 项，最多 :max 项.",
+	"countmax"       => " :attribute 不能超过 :max 项.",
+	"countmin"       => " :attribute 至少要选择 :min 项.",
+	"date_format"	 => " :attribute 不是合法的日期格式.",
+	"different"      => " :attribute 和 :other 不能一样.",
+	"email"          => " :attribute 不是合法的邮箱地址.",
+	"exists"         => " :attribute 不合法或不存在.",
+	"image"          => " :attribute 必须为图片类型.",
+	"in"             => " 选择的 :attribute 不正确.",
+	"integer"        => " :attribute 必须为整数.",
+	"ip"             => " :attribute 必须为合法的IP地址.",
+	"match"          => " :attribute 格式不正确.",
+	"max"            => array(
+		"numeric" => "数字 :attribute 不能大于 :max.",
+		"file"    => "文件 :attribute 不能超过 :max KB.",
+		"string"  => "字段 :attribute 不能超过 :max 字符.",
+	),
+	"mimes"          => "文件 :attribute 只能为类型: :values.",
+	"min"            => array(
+		"numeric" => "数字 :attribute 不能小于 :min.",
+		"file"    => "文件 :attribute 不能小于 :min KB.",
+		"string"  => "字段 :attribute 不能少于 :min 字符.",
+	),
+	"not_in"         => "选择的 :attribute 不正确.",
+	"numeric"        => " :attribute 必须的是数字.",
+	"required"       => " :attribute 不能为空.",
+    "required_with"  => "字段 :attribute field is required with :field",
+	"same"           => "The :attribute and :other must match.",
+	"size"           => array(
+		"numeric" => "数字 :attribute 只能是 :size.",
+		"file"    => "文件 :attribute 只能是 :size KB.",
+		"string"  => "字段 :attribute 只能包含 :size 字符.",
+	),
+	"unique"         => ":attribute 已经被占用.",
+	"url"            => ":attribute 不合法.",
+
+	/*
+	|--------------------------------------------------------------------------
+	| Custom Validation Language Lines
+	|--------------------------------------------------------------------------
+	|
+	| Here you may specify custom validation messages for attributes using the
+	| convention "attribute_rule" to name the lines. This helps keep your
+	| custom validation clean and tidy.
+	|
+	| So, say you want to use a custom validation message when validating that
+	| the "email" attribute is unique. Just add "email_unique" to this array
+	| with your custom message. The Validator will handle the rest!
+	|
+	*/
+
+	'custom' => array(),
+
+	/*
+	|--------------------------------------------------------------------------
+	| Validation Attributes
+	|--------------------------------------------------------------------------
+	|
+	| The following language lines are used to swap attribute place-holders
+	| with something more reader friendly such as "E-Mail Address" instead
+	| of "email". Your users will thank you.
+	|
+	| The Validator class will automatically search this array of lines it
+	| is attempting to replace the :attribute place-holder in messages.
+	| It's pretty slick. We think you'll like it.
+	|
+	*/
+
+	'attributes' => array(),
+
+);