Changes to be committed:
	deleted:    src/main/java/wula/Main.java
	new file:   src/main/java/wula/Sample.java
	modified:   src/test/java/wula/HttpServerTest.java
	modified:   web/webapps/context/WEB-INF/spring-servlet.xml

update sample content
 Changes to be committed:
	modified:   build.gradle
	new file:   src/main/java/wula/http/HTTP.java
	renamed:    src/main/java/wula/HttpServer.java -> src/main/java/wula/http/HttpServer.java
	modified:   src/test/java/wula/HttpServerTest.java

Add HTTP Module
 Changes to be committed:
	renamed:    src/test/java/wula/HttpServerTest.java -> src/test/java/wula/http/HttpServerTest.java

Change folder
 Changes to be committed:
	modified:   web/webapps/context/WEB-INF/spring-servlet.xml
	modified:   web/webapps/context/WEB-INF/web.xml

fix not valid syntax in web.xml and spring-servlet.xml
 Changes to be committed:
	new file:   src/main/java/wula/cache/CacheWrapper.java
	new file:   src/main/java/wula/cache/EhCacheWrapper.java
	new file:   src/main/java/wula/dao/SampleDao.java
	new file:   src/main/java/wula/http/HttpPostFailException.java
add cache module, sample dao sample, http component.
 Changes to be committed:
	modified:   build.gradle