Configtool Update Recording Tab

fixes #540
- [x] Moved directory selection to recording tab
- [x] Added recording tab heading
- [x] Other refactoring (renaming variables to match style)
- [x] Replace directory edit button text with "Browse..."
- [x] Translation support for the various changes

![recording tab screenshot](https://cloud.githubusercontent.com/assets/5759678/4341547/53402794-403a-11e4-999d-2ee814fc753a.jpg)

Note: There is a slight alignment issue caused by these modifications in the General tab because of the way ConfigTool is setup, everything in the different tabs is right-aligned unless it is forced to be left-aligned by something like a QLineEdit.

![general tab screenshot](https://cloud.githubusercontent.com/assets/5759678/4341576/b77f0dce-403a-11e4-85db-7ccad3046136.jpg)

I suspect this QLabel actually has no affect on the UI at all since there's no text assigned so it should have the same result as if this line was removed. (unless I am wrong?)