EAGLE-84 Add eagle-dev/checkout-eagle-pr.py
EAGLE-84 Add eagle-dev/checkout-eagle-pr.py

Author: Hao Chen <hao@apache.org>

Closes #149 from haoch/checkout-eagle-pr.

yonzhang/incubator-eagle,pkuwm/incubator-eagle,pkuwm/incubator-eagle,DadanielZ/incubator-eagle,DadanielZ/incubator-eagle,anyway1021/incubator-eagle,DadanielZ/incubator-eagle,haoch/incubator-eagle,DadanielZ/incubator-eagle,Jashchahal/incubator-eagle,haoch/incubator-eagle,1haodian/eagle,JingGe/incubator-eagle,zombieJ/incubator-eagle,zombieJ/incubator-eagle,1haodian/eagle,haoch/incubator-eagle,yonzhang/incubator-eagle,rlugojr/incubator-eagle,anyway1021/incubator-eagle,baibaichen/eagle,qingwen220/eagle,anyway1021/incubator-eagle,haoch/incubator-eagle,qingwen220/eagle,anyway1021/incubator-eagle,1haodian/eagle,Jashchahal/incubator-eagle,baibaichen/eagle,haoch/Eagle,Jashchahal/incubator-eagle,qingwen220/eagle,rlugojr/incubator-eagle,DadanielZ/incubator-eagle,yonzhang/incubator-eagle,rlugojr/incubator-eagle,pkuwm/incubator-eagle,rlugojr/incubator-eagle,Jashchahal/incubator-eagle,1haodian/eagle,1haodian/eagle,JingGe/incubator-eagle,baibaichen/eagle,pkuwm/incubator-eagle,anyway1021/incubator-eagle,haoch/Eagle,rlugojr/incubator-eagle,JingGe/incubator-eagle,baibaichen/eagle,yonzhang/incubator-eagle,Jashchahal/incubator-eagle,JingGe/incubator-eagle,zombieJ/incubator-eagle,anyway1021/incubator-eagle,haoch/Eagle,Jashchahal/incubator-eagle,qingwen220/eagle,JingGe/incubator-eagle,haoch/incubator-eagle,qingwen220/eagle,haoch/incubator-eagle,DadanielZ/incubator-eagle,haoch/Eagle,JingGe/incubator-eagle,haoch/Eagle,baibaichen/eagle,yonzhang/incubator-eagle,pkuwm/incubator-eagle,pkuwm/incubator-eagle,zombieJ/incubator-eagle,zombieJ/incubator-eagle,rlugojr/incubator-eagle