Rename ScitillaComponent -> ScintillaComponent.
Git history should be kept because `git mv` was used.
Also change paths in source code.
This was noted in scope of #9403Close#9450
Close#1229, Fixes#385
Only build errors are fixed, compile warnings are left alone. To reduce
the number of changes, even the compiler option "-fpermissive" has been
used to downgrade several errors to warnings.
mere-human