Adapt sutoroku-installer `build` script to work with all themes

[DaJakerBoss]

I am in the process of adapting my script to work with all themes and themers.

In theory, it won't take too long. Here's a list of changes I have planned at the moment:

• Include variables to change the name of the .deb file to match theme name ✔
• Remove the "Welcome Ripped Themer" friendly message ✔
• Put in a sample control file and a template for new users ✔

The fancier changes:

• Write things out to a preinst and postinst file to give author credit, personalized messages, and credit to the script. ⏱ ⤵
• Personalized message by reading the home folder address ⏱
• Configure the script to handle writing the control file itself

With these changes, the script will officially be known as eztheme. Cheesy AF, but if you have a better name, drop a line!

There will be a new branch available known as easytheme-beta as this change progresses. Feel free to help out :-)

[DaJakerBoss]

The script has been adapted for all themers. I'm not going to merge it until I know for a fact it is working 100%

[DaJakerBoss]

I'm also adding features for Andy Wiik to be able to package from a .zip file. I'm gonna need some real free time tho, since I'm going to also implement custom preinst and postinst files.

To make it work, I need to check for the presence of the essential control file, and the presence of pre and postinst files so I don't automatically overwrite them.