add LLVMCodeGenTest
fix LLVMCodeGen
Merge commit 'ef6e67c8d2ab6dd316126202f7e3960a902b1f71'
fix conflict
support ApplyNode
Merge commit '22607dedbae18caa126fd89bc64659b6da086ed1'
fix conflict
several fix
Merge commit '43cf0161d123d2733701e25c331995dd2d766293'
several fix
Merge commit '798514fa32cc790f9caacd11d981b4f28f3c57bc'
pass	testReturnConst, testAddOne
		testIf, testMethodCall
		testTopLevelExpr
pass testFib
several fix
Merge commit '76d0921f65b6a7b61843bbd513b5e7c55565b7d9'
add jllvm.jar to build.xml
support fully qualified method name
fix build.xml
now enable to output executabel fibo code
add command launcher
support AndNode OrNode
now can directly execute fibo code
remove unused function