Added cli option for cookie secret; this is necessary for multi-server flower deployments
Added cli option for cookie secret; this is necessary for multi-server flower deployments

tellapart/flower,getupcloud/flower,allengaller/flower,jzhou77/flower,Lingling7/flower,pj/flower,pj/flower,lucius-feng/flower,allengaller/flower,asmodehn/flower,raphaelmerx/flower,ChinaQuants/flower,jzhou77/flower,ucb-bar/bar-crawl-web,asmodehn/flower,getupcloud/flower,lucius-feng/flower,Lingling7/flower,jzhou77/flower,ChinaQuants/flower,pygeek/flower,marrybird/flower,barseghyanartur/flower,alexmojaki/flower,raphaelmerx/flower,alexmojaki/flower,alexmojaki/flower,ucb-bar/bar-crawl-web,getupcloud/flower,pj/flower,raphaelmerx/flower,marrybird/flower,ChinaQuants/flower,marrybird/flower,Lingling7/flower,asmodehn/flower,barseghyanartur/flower,pygeek/flower,tellapart/flower,ucb-bar/bar-crawl-web,allengaller/flower,barseghyanartur/flower,lucius-feng/flower,tellapart/flower,pygeek/flower