Now the module has support to store ad messages

Inspired by 89b6b8358d3c8966d1f54e99d8cdbe990abcd4ec
Not enforcing but warning max user restriction

This is inspired by 98b694ef92930f6537507590b16d73564aef2fef
Added new i18n editions

Conflicts:

	main/remoteservices/src/EBox/RemoteServices.pm
Remove restricted modules to get info

Conflicts:

	main/software/ChangeLog
	main/software/src/EBox/Software.pm
Remove useless code due to offer 2013
Update messages in info models

Update support information due to offer 2013

Conflicts:

	main/remoteservices/ChangeLog
	main/remoteservices/src/EBox/RemoteServices/Model/TechnicalInfo.pm
Change Technical Support names to match offer 2013
Give support to serverUsers capability be cached

Plus, checkAdMessages to remove ad messages is implemented as well
Display remote services messages if they exist on Dashboard

Inspired by ff3f444f6c003de8a07f87e600de391e9fd30e99 and periodic messages implementation in 3.0
Remove style in zentyal package list when sb is set

As it is not longer applied

Conflicts:

	main/software/src/templates/ebox.mas
Apply user restrictions from offer 2013
Minor devel doc update
Merge branch '2.2' into ejhernandez/offer-2013-2.2

Conflicts:
	main/remoteservices/src/EBox/RemoteServices/Model/SubscriptionInfo.pm
	main/remoteservices/src/EBox/RemoteServices/Subscription.pm
	main/remoteservices/src/EBox/RemoteServices/Subscription/Check.pm
Work also when maxUsers is not defined
Work also when serverUsers are unknown
Merge pull request #829 from Zentyal/ejhernandez/offer-2013-2.2

Update offer 2013 for 2.2 release