Renamed project to “P001.G-imr” (1 of 2)

Renamed project and files from “MultiSpace”/“MultiSpaceStar”/“M　✦” to “P001”/“P001.G-imr”.

This commit consists only of file renames.

Additionally:
• The main source code (and a few other files) directory is now named “App” instead of “P001”/“MultiSpace”.
• The test directory is “Tests” instead of “P001Tests” or “MultiSpaceTests”.
Renamed project to “P001.G-imr” (2 of 2)

Renamed project and files from “MultiSpace”/“MultiSpaceStar”/“M　✦” to “P001”/“P001.G-imr”.

This commit consists only of content and reference renames.

Additionally:
• Header comments are now just “Prototype 001”, and no longer use a tab after the ‘//’.
• Updated readme. Now explains the project by expansion of the “P001.G-imr” codename.
• Comments in InfoPlist.strings files are now a little more helpful.
Created app icon