Merge pull request #1 from k4jk/master

Added info to 4 bit display code, and tested it out.
I2C 1602 Display Support
Merge pull request #2 from k4jk/master

Added beacon feature, updated display code and made analog speed feature optional
Delete readme.md

Duplicate File
Updated comments.
Merge branch 'master' of https://github.com/pstyle/Tentec506