Merge pull request #1 from tetsurom/LeafJS

Add LeafJS
commenting out JVMCodeGeneration.java
adding GlobalConstName in KonohaConst
renaming KonohaParseConst with KonohaConst
adding KonohaBuilder
adding KonohaBuilder
modified KonohaBuilder interfaces
Merge remote-tracking branch 'upstream/master' into LeafJS