add sample code
fix JVM visitassign
Merge branch 'master' of github.com:konoha-project/KonohaCoffee

Conflicts:
	src/org/KonohaScript/CodeGen/JVM/JVMBuilder.java
simplify build.xml
fix indent
Merge branch 'master' of github.com:konoha-project/KonohaCoffee
fix indent