Fix compiler options.
Update build instructions.
Add Tier2 and Tier3 to plugin.
Updated interface loading.

Now takes advantage of Tier3 and the provided interface library and
exits if required interfaces cannot be found.
Updated styles.
Migrate from CMake to VPC.
Add VDF file for loading plugin to repo.
Add offsets to find.
Update header file.
Added forced spec GUI refreshing.
Revert "Add offsets to find."

This reverts commit a8b891dfefc0e62aa937a45c2756d8961eb9826d.
Remove filesystem header (not currently being used).
Updated README.