volume: Now uses amixer + various enhancements
volume: Now uses amixer + various enhancements

 * Script header closer to other crouton scripts
 * Parameter handling through case
 * Printing help and error message to stderr on error

nromsdahl/crouton,mkasick/crouton,elkangaroo/chroagh,rperce/chroagh,mkasick/crouton,mkasick/crouton,elkangaroo/chroagh,brayniac/crouton,VandeurenGlenn/crouton,DanDanBu/crouton,StrawnPoint04/crouton,zofuthan/crouton,zofuthan/crouton,fxcebx/crouton,twmccart/crouton,mkasick/crouton,arbuztw/crouton,twmccart/crouton,stephen-soltesz/crouton,mkasick/crouton,rperce/chroagh,StrawnPoint04/crouton,tonyxue/cruise,fxcebx/crouton,djmrr/crouton,taterbase/crouton,jamgregory/crouton,jamgregory/crouton,rperce/chroagh,VandeurenGlenn/crouton,ikaritw/crouton,DanDanBu/crouton,nromsdahl/crouton,taterbase/crouton,tonyxue/cruise,ikaritw/crouton,stephen-soltesz/crouton,fxcebx/crouton,brayniac/crouton,arbuztw/crouton,tonyxue/cruise,ikaritw/crouton,dnschneid/crouton,zofuthan/crouton,StrawnPoint04/crouton,zofuthan/crouton,twmccart/crouton,jamgregory/crouton,ikaritw/crouton,dnschneid/crouton,StrawnPoint04/crouton,rperce/chroagh,VandeurenGlenn/crouton,brayniac/crouton,elkangaroo/chroagh,DanDanBu/crouton,tonyxue/cruise,DanDanBu/crouton,taterbase/crouton,fxcebx/crouton,stephen-soltesz/crouton,djmrr/crouton,zofuthan/crouton,taterbase/crouton,DanDanBu/crouton,djmrr/crouton,brayniac/crouton,djmrr/crouton,stephen-soltesz/crouton,brayniac/crouton,mkasick/crouton,fxcebx/crouton,tonyxue/cruise,taterbase/crouton,nromsdahl/crouton,rperce/chroagh,elkangaroo/chroagh,twmccart/crouton,nromsdahl/crouton,tonyxue/cruise,fxcebx/crouton,djmrr/crouton,djmrr/crouton,arbuztw/crouton,VandeurenGlenn/crouton,zofuthan/crouton,twmccart/crouton,stephen-soltesz/crouton,jamgregory/crouton,elkangaroo/chroagh,arbuztw/crouton,arbuztw/crouton,twmccart/crouton,dnschneid/crouton,dnschneid/crouton,brayniac/crouton,elkangaroo/chroagh,ikaritw/crouton,stephen-soltesz/crouton,ikaritw/crouton,taterbase/crouton,nromsdahl/crouton,VandeurenGlenn/crouton,nromsdahl/crouton,jamgregory/crouton,arbuztw/crouton,jamgregory/crouton,DanDanBu/crouton,dnschneid/crouton,dnschneid/crouton,VandeurenGlenn/crouton,rperce/chroagh,StrawnPoint04/crouton,StrawnPoint04/crouton