更新laravel4.2 依赖的php版本为5.4
同步了部分文件
Merge branch 'master' of https://github.com/golaravel/laravel4.2docs into upstream
Merge branch 'upstream'
同步英文文档，已对存在中文文档进行同步
完成模板翻译
Merge branch 'master' of https://github.com/golaravel/laravel4.2docs
Merge pull request #29 from mpandar/master

同步了部分英文文档