change splash page tag name

Opened EW Issue to change the "splash page" tag from "crap" to "splash" 

When this PR is merged, SharpWitness will also need to be updated to reflect the change. 

[SharpWitness/Program.cs](https://github.com/RedSiege/SharpWitness/blob/8f70410f0afa87f7f59504cf4a0df16f05a7b571/SharpWitness/Program.cs#L153)

(line 153)

EW Issue: https://github.com/RedSiege/EyeWitness/issues/711