version 20131126 15:15 scutLaoYi

Create a email sender to send all emails.(incomplete!)
Now try to merge some imcomplete work from lpp001.
Merge branch 'master' of https://github.com/scutLaoYi/shengwu

Conflicts:
	Controller/UsersController.php
version 20131126 16:40 scutLaoYi

added some comments in all controllers and all functions.
adjust some function's logic.

next time try to complete the email sending function for recruitments.

	modified:   Controller/CompanyDescriptionsController.php
	modified:   Controller/CompanyIntroducesController.php
	modified:   Controller/CompanyUserInfosController.php
	modified:   Controller/Component/EmailSenderComponent.php
	modified:   Controller/ProxyInfosController.php
	modified:   Controller/UsersController.php