1.fix check_upstream and oa_upgradable
2.add "WARNING" prombt for some except
3.improve os.chdir for repo update
4.fix update_ver_check
5.fix yaml.load in auto_update_repo
Signed-off-by: NLeo Fang <leofang_94@163.com>

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>

sed -i 's/seperator/separator/g' $(gg -l seperator)
Signed-off-by: NWu Fengguang <wufengguang@huawei.com>