[4.2] Fixed empty string in database connection config 'unix_socket' causes system to default to socket connection instead of host connection
minor comment addition in MySqlConnector.php
Corrected eloquent priority docblocks
Merge pull request #5320 from GrahamCampbell/4.3-database

[4.3] Corrected Eloquent Priority Docblocks
Merge branch '4.2' of https://github.com/tgolsen/framework into tgolsen-4.2
cleaning up some code.
Automatically retry queries on database connections that have 'gone away'.
Cleaning up some code.
Merge branch '4.2'