Afegits comentaris als mètodes save de HostVarGroups & VarDef
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
hosts model identat i espaiat
modificat hosts models i admin included HostGroup
host app HostVarGroup model __unicode__ method fixed
check_vars method splitted from save in HostVarGroup & foreign key to
HostGroup added
admin modelforms fixed to show correctly & create the desired vars.
Merge pull request #2 from oromerob/master

HostGroups working properly