Addresses issue #1463. Replaces preg_replace '\e' modifier with preg_replace_callback as '\e' is depracated as of PHP 5.5.0.
Improve support for non standard DB port
Get ip:port for PDO/MySQL(i)
Update ezSQL to latest revision
Improve support for non standard DB port
Get ip:port for PDO/MySQL(i)
Accept 'host:port' notation for PDO, MySQL & MySQLi. Should work.
Remove temp comment block
Cast port if any as integer, not default value
Looser check on MySQL server version. Fixes #1479.
Merge pull request #1484 from ozh/db_port

Handle custom MySQL port
Introduce Travis
Fix commands
Typo
Add emphasis on turning debug on prior to submitting an issue
Merge pull request #1488 from LeoColomb/master

Add Continuous Integration
README Update

* New CI image
* Releases links
Fix error if SERVER_SOFTWARE is not a defined key
Merge branch 'master' of https://github.com/danielnr/YOURLS into danielnr-master
Remove /e in preg_replace. Fixes #1463

This is just a quick fix. This will be replaced in 2.0 with function yourls_replace_string_tokens() from the Feature-Design branch