issue #53 issue #68 resolving

issue #53
issue #68
Now you are able to specify the dataPath during tesseract initialization and an array of config files.

Pls, review and merge if there are no comments.
That's follow a common tes conventions about the path to the configs. it should be located in the tessdata folder, which is a subfolder of the app bundle.
I will check the relaitive pathes as well.