Added standard layouts for ANSI and ISO. Moved the initial layout from alaricljs to a seperate layout file. If no layout gets defined ANSI is used as a default.

Added a README.md with links to the deskthority wikipages for this project and some build instructions.
Merge pull request #40 from yeeeargh/hid_liber-standard-layouts

Added standard layouts for ANSI and ISO to hid_liber