Bumped version from 0.5.0.0 to 0.5.1.0
Updated BDHeroGUI assembly info
Removed unused extra arg
Allow calling ProgressProvider.Error() in Ready state (to avoid exceptions when user cancels an action before it has a chance to switch to Running state)
Added outlined text and color properties to ProgressBar2
Added "Docs/BitRock InstallBuilder suggestions.txt"