update jetbrick-commons to 2.0.3
update README.md
update README.md
Merge pull request #1 from andydmx/master

为Jetbrick MVC Freemarker增加包自动扫描功能
fixes javadoc issue on JDK8 and code format
allow skip errors config while scanning freemarker extensions
Merge pull request #2 from subchen/master

合并来自Subchen对FreeMarker AutoScan的修正