Initial commit

Most of the admin UI stuff is done using snippet found online.

- CPT
- 1 taxonomy
- Columns
- A few meta boxes
Removed debug code and renamed col.php
Add listings count to dashboard
Put tax stuff in a class
Final meta and taxonomies added
Renamed file
Merge branch 'master' of https://github.com/jnthnclrk/WordPress-Real-Estate-Listings
Updated README.md and tweaked tax.php