I made ScriptRuntime.escapeString to escape \ and remove code to escape single quote ' as it is unreachable due to if (' ' <= c && c <= '~' && c != '"' && c != '\\') check as ' should not be escaped.
git-svn-id: svn://10.0.0.236/trunk@135242 18797224-902f-48f8-a5cc-f745e15eee43