added update to 1.10 sql to setup/update procedure
[CORE] add support for MySQL empty or no password
Merge branch 'release-1.10' of https://github.com/BigBrotherBot/big-brother-bot into release-1.10
[TESTS] allow to customize MySQL host, database and credential for tests using environment variables
[Travis] enable mysql on Travis
[DIST] add the fileinput module to the win32 release so the badrcon plugin can work with b3_run.exe