车易赔知识库增加权限等级划分

SVN版本号：52
JAVA代码：
com/farm/doc/server/impl/FarmDocTypeManagerImpl.java
com/farm/web/filter/FilterOrganizationAuth.java
resources/about.properties
resources/config.properties
resources/email.properties
resources/log4j.properties
WEB-INF/web.xml