started reprovision mechanism implementation when changing hostname
real reprovision implementation (WIP)
refactoring and added comment
disable kerberos hostdomain change check
delete ldap contents and mark samba as modified (WIP)
Merge branch 'master' into jacalvo/samba-reprovision

Conflicts:
	main/core/ChangeLog
updated core depend
Merge branch 'master' into jacalvo/samba-reprovision

Conflicts:
	main/core/ChangeLog
	main/samba/ChangeLog
	main/users/ChangeLog
remove homes to avoid errors when creating users again
delete unused code and some refactoring
better way to remove homes
some refactoring, but still WIP

also added check when joined as additional DC
rename domain in dns
Merge branch 'master' into jacalvo/samba-reprovision

Conflicts:
	main/core/ChangeLog
	main/dns/ChangeLog
	main/samba/ChangeLog
	main/samba/debian/precise/control
	main/users/ChangeLog
updated users deps
fixed cache issue
fixed order in save changes
fixed indentation
dynamic depends only when reprovisioning
added comments