Merge pull request #243 from danielepantaleone/release-1.10

minor fixes
Merge remote-tracking branch 'remotes/upstream/release-1.10' into release-1.10
Merge branch 'release-1.10' of https://github.com/FenixXx/big-brother-bot into release-1.10
[PARSER] don't bother loading arb plugins if admin plugin is not loaded
[PARSER] prevent plugins from crashing B3 if they fails in loading
[CMDMANAGER] moved hardcoded SQL code for creating tables in B3 sql scripts
[SQL] moved B3 update scripts in protocol subdirectories
[UPDATER] updated path to SQL update script
[SQL]  make use of backticks to surround column names
[SQL]  duplicated and converted  recreate-xlrstats.sql for all the supported database protocols
[TESTS]  added cmdgrants database table name in getTables test
[CMDMANAGER]  make use of QueryBuilder to generate SQL queries