1.save origin spec file in create_spec for need
2.bugfix for download_src()
3.bugfix for get_ver_tags()
4.add python2/3.yaml to upstream
5.dispaly all origin tags
6.ignore 'a[1-9...]' of alpha version
Signed-off-by: NLeo Fang <leofang_94@163.com>

gegl04 gimp python-pymongo nss mutt openssh glibc
Signed-off-by: NLeo Fang <leofang_94@163.com>

1.functionalize items in simple-update
2.combine para of '-f' and '-c'
3.add some prompt
4.fix compare() in version_recommend
Signed-off-by: NLeo Fang <leofang_94@163.com>

* 修改VersionType 函数名 _max 为  _compare,提供对外 compare 接口

* Imporve and bugfix for advisors:

* 完善代码注释

1.无继承的增加基类
2.class 后面增加空行
3.调用父类 __init__方法
4.空格调整
5.修改class 名词为驼峰格式
6.去掉正则表达式 '-'写法

* 修复以下问题:

* 解决版本号识别问题中字典序问题