css on "add" button

[fhaut]

Apply css on "Add button" to apply the standard mantis 2.0 web interface.

on TimeTracking.php, line 156

who is :

<td><input name="<?php echo plugin_lang_get( 'submit' ) ?>" type="submit" value="<?php echo plugin_lang_get( 'submit' ) ?>" /></td>

change to:

<td><input class="btn btn-primary btn-sm btn-white btn-round" name="<?php echo plugin_lang_get( 'submit' ) ?>" type="submit" value="<?php echo plugin_lang_get( 'submit' ) ?>" /></td>

[dregad]

Next time, please submit your patch as a pull request instead, it will make things a lot easier. Thanks for your contribution, and your understanding.