remove set -e  (#445)
remove set -e  (#445)

* remove set -e so that git diff command returning 1 is not considered as an error

* specific commands whose return value are being examined will follow the pattern of using || true

billonahill/heron,ashvina/heron,srkukarni/heron,huijunwu/heron,cliffyg/heron,twitter/heron,cs564/heron,cs564/heron,streamlio/heron,wangli1426/heron,ashvina/heron,lukess/heron,lucperkins/heron,tomncooper/heron,srkukarni/heron,objmagic/heron,lukess/heron,zhangzhonglai/heron,streamlio/heron,lewiskan/heron,lucperkins/heron,huijunwu/heron,ashvina/heron,zhangzhonglai/heron,tomncooper/heron,moomou/heron,lukess/heron,lewiskan/heron,twitter/heron,streamlio/heron,zhangzhonglai/heron,nlu90/heron,mycFelix/heron,moomou/heron,billonahill/heron,moomou/heron,objmagic/heron,cs564/heron,billonahill/heron,twitter/heron,lukess/heron,cs564/heron,srkukarni/heron,huijunwu/heron,lukess/heron,tomncooper/heron,streamlio/heron,moomou/heron,wangli1426/heron,tomncooper/heron,nlu90/heron,nlu90/heron,objmagic/heron,moomou/heron,wangli1426/heron,billonahill/heron,objmagic/heron,huijunwu/heron,lukess/heron,nlu90/heron,twitter/heron,lukess/heron,billonahill/heron,mycFelix/heron,mycFelix/heron,cs564/heron,mycFelix/heron,objmagic/heron,zhangzhonglai/heron,zhangzhonglai/heron,cs564/heron,objmagic/heron,streamlio/heron,moomou/heron,ashvina/heron,ashvina/heron,cliffyg/heron,lewiskan/heron,zhangzhonglai/heron,tomncooper/heron,lucperkins/heron,srkukarni/heron,srkukarni/heron,lucperkins/heron,lukess/heron,twitter/heron,streamlio/heron,cliffyg/heron,streamlio/heron,huijunwu/heron,huijunwu/heron,wangli1426/heron,wangli1426/heron,mycFelix/heron,tomncooper/heron,tomncooper/heron,ashvina/heron,cs564/heron,cs564/heron,moomou/heron,huijunwu/heron,zhangzhonglai/heron,cliffyg/heron,srkukarni/heron,streamlio/heron,twitter/heron,cliffyg/heron,cs564/heron,nlu90/heron,mycFelix/heron,objmagic/heron,cliffyg/heron,mycFelix/heron,wangli1426/heron,lucperkins/heron,cliffyg/heron,srkukarni/heron,objmagic/heron,lewiskan/heron,lewiskan/heron,billonahill/heron,twitter/heron,ashvina/heron,zhangzhonglai/heron,billonahill/heron,lewiskan/heron,wangli1426/heron,wangli1426/heron,ashvina/heron,zhangzhonglai/heron,nlu90/heron,nlu90/heron,lewiskan/heron,nlu90/heron,cliffyg/heron,billonahill/heron,mycFelix/heron,ashvina/heron,lewiskan/heron,wangli1426/heron,moomou/heron,lucperkins/heron,mycFelix/heron,cliffyg/heron,huijunwu/heron,lukess/heron,objmagic/heron,srkukarni/heron,lewiskan/heron,tomncooper/heron,billonahill/heron,lucperkins/heron,twitter/heron,streamlio/heron,moomou/heron,tomncooper/heron,nlu90/heron,lucperkins/heron