New feature workflow on git.

git-workflow.sh

# 1. 开始任务，创建一个新的分支
bw start <feature>

git checkout master
git fetch origin -v
git fetch upstream -v
git checkout -B <feature>

# 1.1 编码中
git commit

# 2. 编码结束，发pull-request，求code review
bw review <feature> [-i issue]

git push origin master:<feature>
git push origin
hub pull-request -b baixing:master [-i issue]

# 2.1 修复测试问题
git commit
git push

# 3. Code review完成（代码已合并到baixing/haojing:master），清理任务分支
bw finish <feature>

# 4. 测试、部署上线
git branch -D <feature>
git push origin :<feature>