Import ui

Adding the ability to import previously exported data + some UI for it.
Good point :) There are symlinks as well. After reading up a bit and testing some it seems like symlinks report as being a directory when they link to a directory, but they always returns `true` for being a file.

Changing this statement to `if(file.isDirectory())` yields this satisfactory result:

![screenshot 2014-09-13 12 02 02](https://cloud.githubusercontent.com/assets/151489/4261648/84dfdcfc-3b78-11e4-89d2-338ac66ec656.png)