* rename CStatusMessages to CStatusMessageList
* rename NetworkVatlib to CNetworkVatlib
* replace all occurrences of Realname with RealName (correct camel case)
* CSequence method corresponding to CList::append is push_back
* don't compile the qdbuscpp2xml metadata plugin by default
* CAircraftIcao string members always trimmed and capitalized
* added CComSystem::roundTo25KHz
* using epsilon comparison in a couple of places
refs #81
Added externals.pri looking for the external headers/libraries in 3 steps:
1. Manually set absolut path. Currently commented. Uncomment for local
use.
2. Enviromental variable "VATSIM_EXTERNAL_DIR"
3. default path client/externals.