Added luaOptions tsconfig object, fixed boolean parsing bug - #463

{
    "compilerOptions": {
        "noImplicitAny" : true,
        "noImplicitThis" : true,
        "alwaysStrict" : true,
        "strictNullChecks" : true,
        "target": "es6",
    },
    "luaOptions": {
        "luaTarget": "JIT",
        "lualibImportKind": "require"
    }
}