Add warnings to the installer about running crouton from a TTY.
Add warnings to the installer about running crouton from a TTY.

dnschneid/crouton,zofuthan/crouton,JDGBOLT/chroagh,dragon788/chroagh,rperce/chroagh,edge226/celce,fxcebx/crouton,dragon788/chroagh,elkangaroo/chroagh,rperce/chroagh,DanDanBu/crouton,twmccart/crouton,JDGBOLT/chroagh,ikaritw/crouton,dnschneid/crouton,DanDanBu/crouton,StrawnPoint04/crouton,jamgregory/crouton,VandeurenGlenn/crouton,fxcebx/crouton,ikaritw/crouton,armgong/chroagh,DanDanBu/crouton,ikaritw/crouton,Timvrakas/crouton,zofuthan/crouton,stephen-soltesz/crouton,taterbase/crouton,dragon788/chroagh,StrawnPoint04/crouton,rperce/chroagh,jamgregory/crouton,dnschneid/crouton,armgong/chroagh,tedm/crouton,fxcebx/crouton,mkasick/crouton,brayniac/crouton,armgong/chroagh,marriop/newCrouton,arbuztw/crouton,elkangaroo/chroagh,Timvrakas/crouton,taterbase/crouton,arbuztw/crouton,arbuztw/crouton,nromsdahl/crouton,VandeurenGlenn/crouton,jamgregory/crouton,mkasick/crouton,marriop/newCrouton,brayniac/crouton,DanDanBu/crouton,fxcebx/crouton,brayniac/crouton,tedm/crouton,stephen-soltesz/crouton,tonyxue/cruise,marriop/newCrouton,DanDanBu/crouton,JDGBOLT/chroagh,jamgregory/crouton,Timvrakas/crouton,JDGBOLT/chroagh,Timvrakas/crouton,zofuthan/crouton,stephen-soltesz/crouton,tonyxue/cruise,brayniac/crouton,Timvrakas/crouton,rperce/chroagh,nromsdahl/crouton,twmccart/crouton,armgong/chroagh,zofuthan/crouton,Timvrakas/crouton,ikaritw/crouton,tedm/crouton,djmrr/crouton,taterbase/crouton,arbuztw/crouton,elkangaroo/chroagh,taterbase/crouton,VandeurenGlenn/crouton,dragon788/chroagh,dnschneid/crouton,mkasick/crouton,twmccart/crouton,djmrr/crouton,arbuztw/crouton,edge226/celce,mkasick/crouton,fxcebx/crouton,jamgregory/crouton,zofuthan/crouton,stephen-soltesz/crouton,djmrr/crouton,elkangaroo/chroagh,twmccart/crouton,fxcebx/crouton,DanDanBu/crouton,elkangaroo/chroagh,djmrr/crouton,taterbase/crouton,armgong/chroagh,armgong/chroagh,tedm/crouton,tonyxue/cruise,djmrr/crouton,tedm/crouton,twmccart/crouton,dragon788/chroagh,twmccart/crouton,tonyxue/cruise,JDGBOLT/chroagh,tonyxue/cruise,stephen-soltesz/crouton,tedm/crouton,StrawnPoint04/crouton,arbuztw/crouton,jamgregory/crouton,ikaritw/crouton,brayniac/crouton,dnschneid/crouton,ikaritw/crouton,rperce/chroagh,nromsdahl/crouton,elkangaroo/chroagh,mkasick/crouton,brayniac/crouton,edge226/celce,rperce/chroagh,djmrr/crouton,VandeurenGlenn/crouton,StrawnPoint04/crouton,nromsdahl/crouton,dragon788/chroagh,VandeurenGlenn/crouton,stephen-soltesz/crouton,mkasick/crouton,JDGBOLT/chroagh,StrawnPoint04/crouton,taterbase/crouton,StrawnPoint04/crouton,zofuthan/crouton,dnschneid/crouton,nromsdahl/crouton,VandeurenGlenn/crouton,tonyxue/cruise,nromsdahl/crouton