messages fix, add /manuclearp and /mangclearp
fix clear commands change mandemote and manpromote

dont make manpromote and mandemote act like manuadd when OP, 3 manuadd commands arent needed.
Update GroupManagerPermissions.java
add new commands, add alias to listgroups
add mising isopoverride check
fix alias
readd some checks
Merge pull request #371 from necrodoom/patch-72

add new commands and others
Fix loops.
More Necrodoom fixes.
another string fix.
Fix group name when using wildcard group definitions.
Balance others message.
Fix § at end of line
Math fail
Still need that check
[Feature] pweather command
Merge pull request #438 from GunfighterJ/2.9

Add Romanian translation
Check threading on backup init.
Remove duplicate perm.