Adds a new trigger action to give credits to a specific house.

[CCHyper]

Closes #158

This pull request introduces a new trigger action to give or take (use negative number) credits to a specific house.

To use this, please add the following information to the FinalSun control file FSData.ini. under the [Actions] section; 106=Give credits to house... [Requires Vinifera],0,2,5,0,0,0,0,0,0,Gives credits to the specified house.,1,0,106