Bug Fix: Allow deferring file inclusion to tsconfig.json

[fabioberger]

Currently you must specify a path to your typescript project at the end of the typedoc command. Many projects already define include in their tsconfig.json files, describing which files they wish included on TS compilation. Fixing this bug allows those configs to be used rather then specifying them again from the command-line.

Example include in tsconfig.json taken from 0x.js:

"include": [
        "./src/**/*",
        "./test/**/*",
        "../../node_modules/types-bn/index.d.ts",
        "../../node_modules/types-ethereumjs-util/index.d.ts",
        "../../node_modules/web3-typescript-typings/index.d.ts",
        "../../node_modules/chai-typescript-typings/index.d.ts",
        "../../node_modules/chai-as-promised-typescript-typings/index.d.ts"
    ]

I believe this is just a bug fix since the relevant conditional could never be false given that files is initialized to an empty array.

[aciccarello]

Hello @fabioberger. I'm likely going to merge #610 which should fix this issue (see the change to arguments.ts. Thanks for your work though. Feel free to create an issue or reach out on gitter so that we can make sure we aren't duplicating effort.

[fabioberger]

Awesome, #610 should fix my issue as well. Np, hope to contribute more soon!