+ Added support for "-i" flags and case insensitive matching

+ Renamed Expr class to DisjList, which is more descriptive
  as to its function
+ Added ' and " to the list of allowed characters in an
  unquoted string.
+ Added updated sniffer rule grammar to doxygen for the
  Parser class


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@685 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/storage/sniffer/RPattern.h

@@ -27,7 +27,7 @@ public:
 	status_t InitCheck() const;
 	Err* GetErr() const;
 	
-	bool Sniff(BPositionIO *data) const;
+	bool Sniff(BPositionIO *data, bool caseInsensitive) const;
 private:
 	Range fRange;
 	Pattern *fPattern;