am 8443dd16: am 383e95e2: Merge "DropBox: Read until the end of stream has been reached"

                is = getInputStream();

                if (is == null) return null;

                byte[] buf = new byte[maxBytes];

                return new String(buf, 0, Math.max(0, is.read(buf)));

                int readBytes = 0;

                int n = 0;

                while (n >= 0 && (readBytes += n) < maxBytes) {

                    n = is.read(buf, readBytes, maxBytes - readBytes);

                }

                return new String(buf, 0, readBytes);

            } catch (IOException e) {

                return null;

            } finally {