Intercepts *most* instances of FLAG_DEFAULT getting set, including
when XML files are loaded and when Open-Shell starts, adding
if-statements to those spots to check if a new value is actually
different from the setting's default value. Ensures more consistency
behind the scenes and gets rid of inaccurate bold highlights.
* Fix naming inconsistencies
'Menu' vs 'StartMenu'
* Installer: Remove Facebook link
* Installer: Remove PayPal donate remnants
* OpenShellReadme: Remove info about product version