minor: typos in registration window

There are small typos in the registration window.
[Edit:]

If not registered, only obects with faces less than 1000 can be exported.

obects -> objects

If you have a valid registration key, please type of paste it into the text box below

should probably read:
"If you have a valid registration key, please type or paste it into the text box below."

In case you missed it: the "of" changed to "or".

Another topic: I was always wondering, why the version of NVil isn't increasing in small steps with every update. I thought it had theoretical reasons, like there being to many updates to give it a decent version number. But now I suspect a practical implication: would a new version number always require the user to re-register on first start? That would indeed be bothersome.

fixed.