Merge pull request #17 from tetsurom/ShellSyntax

Shell syntax
rename KonohaProcess to KonohaProcessDef
add KonohaProcess
fix ASTInterpreter
Merge pull request #19 from imasahiro/FixASTInterpreter

Bug Fixed at ASTInterpreterMethodInvoker.Invoke
replace system.out.print to assert
Merge pull request #18 from sekiguchi-nagisa/process

rename KonohaProcess to KonohaProcessDef