Merge pull request #18 from darkuncle/master

define default values in schema to avoid errors from MySQL >= 5.6
assign 'root' NicTool user to group ID 0 (was 1)
Changes: added two 2.22 changes
Revert "nt_group_id should be '1' not '0' for the 'NicTool' initial group,"

This reverts commit 2bd345ddfdba0d93511f8566ebb46c75d4942960. msimerson fixed
the issue in a better way by updating create_tables.pl.
Merge remote-tracking branch 'upstream/master'