i18n + bootstrap prompt

added i18n support
-----
* i18n/verify.en.js - embedded english language
* i18n/verify.hu.js - hungarian language

Use of other languages:

```javascript
<script src="i18n/verify.[LANG].js"></script>
<script src="verify.[dist].js"></script>
```
added prompt for bootstrap form
-----

```javascript
Usage: $.verify({ bootstrapPrompt: true });
```
```html
<form>
<div class="control-group">
<label class="control-label" for="input">Label</label>
<div class="controls">
<input type="text" id="input" data-validation="required">
<span class="help-inline"></span>
</div>
</div>
</form>
```
[http://getbootstrap.com/2.3.2/base-css.html#forms](http://getbootstrap.com/2.3.2/base-css.html#forms)

added compare rule
----
usage: compare(jQuerySelector field, Label)

```html
<input type="password" id="password" data-validation="required">
<input type="password" data-validation="required,compare(#password, Password)">
```

added check rule
----
usage: check(url, Error message)
Important: The response should be a json object and must include a field 'err' or 'error'.
{ err: false} OR { error: false }

```html
<input type="text" name="username" data-validation="required,check(/check.php?username=%s, The username is already in use)"> 
```

added compare tests
---