vlan: .oppfeatures edits
STP: color names factored out; indentation/braces
STP: indentation fix
STPBase: don't use this->getParentModule(); added TODOs/FIXMEs
STP/RSTP: mixed fixes
RSTP: reindent; added spaces around '<<', 'if', 'for', etc
RSTP: printState() simplified
RSTP: added FIXMEs: replace magic numbers with constants in the code, etc!

RSTP: more FIXMEs