Update data
Update GeoIP script

* Full support IPv6
* Improvements
Include title parameter in the API example

Title should be included as one of the post fields in the example so that people are aware of it, and also aware that NOT including it incurs a significant (10x) performance penalty.

See related issue https://github.com/YOURLS/YOURLS/issues/1454
Include license text

Following recommendations by the Free Software Foundation
Add License link in readme
Fix README
Added @OmmJan's VB.Net in the readme. Closes #1449
Update latest GeoIP
Include latest changes in CHANGELOG.md
merging in new changes from upstream