add UI/NSLayoutGuide support like UIView

[Yize9]

add layoutGuide support equalToSuperview & greaterThanOrEqualToSuperview & lessThanOrEqualToSuperview

    MAS_VIEW * contentView = MAS_VIEW.new;
    contentView.backgroundColor = self.randomColor;
    contentView.layer.borderColor = self.randomColor.CGColor;
    contentView.layer.borderWidth = 2 ;
    [self addSubview：contentView];

    MAS_VIEW * leftView = MAS_VIEW.new;
    leftView.backgroundColor = self.randomColor;
    leftView.layer.borderColor = self.randomColor.CGColor;
    leftView.layer.borderWidth = 2 ;
    [contentView addSubview：leftView];

    MAS_VIEW * rightView = MAS_VIEW.new;
    rightView.backgroundColor = self.randomColor;
    rightView.layer.borderColor = self.randomColor.CGColor;
    rightView.layer.borderWidth = 2 ;
    [contentView addSubview：rightView];

    [contentView mas_makeConstraints：^（MASConstraintMaker * make）{
        make.left.right.top.equalToSuperview（）;
        make.height.mas_equalTo（self.mas_height）.multipliedBy（0.3）;
    }];

    MAS_LAYOUT_GUIDE *layout= [MAS_LAYOUT_GUIDE mas_allocWithOwningView:contentView];
    [layout mas_makeConstraints：^（MASConstraintMaker * _Nonnull make）{
        make.center.equalToSuperview（）;
        make.size.mas_equalTo（CGSizeMake（60，60））;
    }];

    [leftView makeConstraints：^（MASConstraintMaker * make）{
        make.top.mas_equalTo（layout）;
        make.right.mas_equalTo（layout.mas_left）;
        make.bottom.mas_equalTo（layout）;
        make.width.mas_equalTo（layout.mas_width）;
    }];

    [rightView makeConstraints：^（MASConstraintMaker * make）{
        make.top.mas_equalTo（layout）;
        make.left.mas_equalTo（layout.mas_right）;
        make.bottom.mas_equalTo（layout）;
        make.width.mas_equalTo（layout.mas_width）;
    }];