Moved settings to LCARSmain to avoid excessive use of window messages.

Replaced LCARSsettings.exe with a stub to load from LCARSmain.
Disabled Visual Studio hosting process to allow for better debugging of multi-instance behavior.
Rewrote handling of multiple instances to allow for settings to be edited while the shell is not running.
Added logic to only send changes if current instance is actively running as a shell.
Merge branch 'Settings_Moving' into 0.7.x
Fixed about message being missing after moving Settings.

Added check if about file does not exist.
Merge branch 'About_Fix' into 0.7.x
Added color property to tab pages.
Merge branch 'Tab_Color' into 0.7.x