am adba8021: Merge "Make sure the reading level scale is within min/max limits." into honeycomb

    public final float getReadingLevelScale() {

        // The reading scale is at least 0.5f apart from the overview scale.

        final float MIN_SCALE_DIFF = 0.5f;

        return Math.max(getZoomOverviewScale() + MIN_SCALE_DIFF,

            DEFAULT_READING_LEVEL_SCALE);

        return computeScaleWithLimits(

                   Math.max(getZoomOverviewScale() + MIN_SCALE_DIFF,

                            DEFAULT_READING_LEVEL_SCALE));

    }

    public final float getInvDefaultScale() {