Added option in FLAIM to disable direct I/O on Linux and Unix platforms. Re-architected the FTK I/O layer and cleaned up the async interfaces.

git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@643 0109f412-320b-0410-ab79-c3e0c5ffbbe6

flaim/src/imonutil.cpp

@@ -3928,7 +3928,7 @@ void F_DatabasePage::printGlobalDatabaseList( void)
 {
 	FLMBOOL			bHighlight;
 	FLMUINT			uiLoop;
-	FBUCKET *		pBucket;
+	F_BUCKET *		pBucket;
 	FFILE *			pFile;
 
 	// Table