ipa-buildiOS 工程自动打包脚本

iOS工程自动打包脚本：ipa-build。集成xcodebuild和xcrun来编译打包xcode工程。

使用方法：

ipa-build <project directory> [-c <project configuration>] [-o <ipa output directory>] [-n]c

命令行参数：

-c NAME     the configuration of project used to compile.Default is Release
-o PATH     output path for ipa file(must be a directory)
-n          clean the project before compling