Merge pull request #48 from madeinnordeste/develop

update pt_BR lang
adding smtp fields to installer
issue #49: set custom user agent so requests can be identified in access
logs
bug in upgrade script causing it not to ask for new user;
makefile: execute lint check on target folder instead of source;
redirect user to install if no installation is found
adding version to footer; typos;
use minified css and some minor formatting issues
removing summary subtitle from readme
fixing default language
add user to default servers on install
typo in readme
bumping development version to 3.1.0-dev
Create zh_CN.lang.php

Chinese language support
Merge pull request #57 from manhere/develop

Create zh_CN.lang.php
Adding chinese language to changelog and updating file header
- Disable zooming.
- Change dropdown menu appearance.
- fix status display on mobile.
Configuration page - mobile compatibility improvement.
More mobile compatibility improvement.
bumping php version required to 5.3.7 (issue #56)
remove unnecessary or move template parameters
changing database version-check so if no changes have been made
you dont have to run install.php again