REL-2064: check for mac networking issue on startup
REL-2064: warning message tweak
REL-2064: switch to JOptionPane.
REL-2064: remove unnecessary panel.
REL-2064: remove unnecessary panel.
REL-2064: changed url
Merge pull request #64 from swalker2m/feature/REL-2064

REL-2064: check for mac networking issue on startup