Refactored console panels:
. created new interface, ConsolePanel, to replace PanelConsole. Deprecated PanelConsole
. renamed PanelConsole implementations to use ConsolePanel naming convention
. renamed PanelConsoleHelper implementations to use ConsolePanel naming convention
Added console implementation of DefaultTargetPanel
[IZPACK-926] - Console installer output gets a mess of log lines when dynamic variables cannot be evaluated
Merge pull request #96 from unb/IZPACK-871

Refactored console panels:
Merge pull request #97 from rkrell/IZPACK-926

Fix for [IZPACK-926]