Reduce string conversion warnings count#2

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alexroldugin wants to merge 3 commits intoJackTrapper:masterfrom

alexroldugin:reduce_string_conversion_warnings_count

Commits on Jan 5, 2020

use platform-non-specific function: IncludeTrailingBackslash -> IncludeTrailingPathDelimiter
alexroldugin
committed
suppress platform-specific consts warnings for faArchive, faSysFile, and so on
alexroldugin
committed
use zs2s, s2zs, as2s functions to group all string conversions in one place
alexroldugin
committed