More work on registry

Pulls mappings from spreadsheet and properly register them. A bit more
work on the edit panels.
Test commit
Another test commit, trying out git clients
One line change
Work on modeditor
Last Updated, OS Check

Conflicts:
	gr/watchful/permchecker/utils/ExcelUtils.java
	mainClass.java
Merge branch 'pulls/2'
Revert "Merge branch 'pulls/2'"

This reverts commit 5f67a90c5526947fecfb2403e801e48a9f728104, reversing
changes made to 7e9b535add87e8bdea5f6e2280a5bb13af6122e1.
Revert "Revert "Merge branch 'pulls/2'""

This reverts commit 3025a5f7400a180a5fb356a180cec7067f3ebd79.
Moved OsTypes. I'll generalize the package names later, but for now there's no point having another one like that.
Missed a line
Read more data from spreadsheet to load into modinfo
Finish up most of the spreadsheet info parsing. Modinfo's in the name registry should be complete now.
Update ModInfo. No more reason to use getters and setters
Start on a toggle button to change the pack type