manual: mention that full path should be given for android update project
manual: mention that full path should be given for android update project

matlink/fdroidserver,f-droid/fdroid-server,OneEducation/AppUniverse_Server,matlink/fdroidserver,OneEducation/AppUniverse_Server,fantastico/fdroidserver,pfalcon/fdroidserver,fdroidtravis/fdroidserver,pfalcon/fdroidserver,OneEducation/AppUniverse_Server,fantastico/fdroidserver,pfalcon/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroidserver,f-droid/fdroidserver,f-droid/fdroid-server,fdroidtravis/fdroidserver,f-droid/fdroid-server,OneEducation/AppUniverse_Server,f-droid/fdroid-server,OneEducation/AppUniverse_Server,matlink/fdroidserver,f-droid/fdroidserver,pfalcon/fdroidserver,f-droid/fdroidserver,fantastico/fdroidserver,matlink/fdroidserver,fantastico/fdroidserver,fdroidtravis/fdroidserver,f-droid/fdroid-server,fantastico/fdroidserver,pfalcon/fdroidserver,matlink/fdroidserver,f-droid/fdroidserver