Replaced all references to RemoteTech2 with RemoteTech.

To keep future repository confusion to a minimum, this includes references in `src/RemoteTech` and its contents. This will probably require some manual tweaking of any unmerged code changes. I apologize for the inconvenience.
Merge pull request #190 from Starstrider42/bulk-rename

Replaced all references to RemoteTech2 with RemoteTech.