Add flask-pluginengine to requirements.txt (from git)
Add flask-pluginengine to requirements.txt (from git)

pferreir/indico,mic4ael/indico,DirkHoffmann/indico,ThiefMaster/indico,OmeGak/indico,mvidalgarcia/indico,OmeGak/indico,DirkHoffmann/indico,mic4ael/indico,mvidalgarcia/indico,ThiefMaster/indico,DirkHoffmann/indico,mic4ael/indico,mic4ael/indico,mvidalgarcia/indico,pferreir/indico,indico/indico,mvidalgarcia/indico,indico/indico,ThiefMaster/indico,DirkHoffmann/indico,indico/indico,OmeGak/indico,pferreir/indico,pferreir/indico,indico/indico,OmeGak/indico,ThiefMaster/indico