Fix read only rights in packages. closes #2678. closes #2673
Review the right implementation of package and so fix some bugs like: closes #2530

Conflicts:
	inc/deploypackage.class.php
Fix task right. closes #2679

Conflicts:
	inc/task.class.php
	inc/taskjob.class.php
Fix get deploy job when deploy module of agent has been disabled between prepared task and agent request the jobs. closes #2638

Conflicts:
	b/deploy/index.php
Fix update name and serial to null value on network discovery and network inventory. closes #2668
Fix php error. closes #2684
Try fix php error. references #2685
Fix php error when import XML from GLPI interface. closes #2683

Conflicts:
	front/inventorycomputerimportxml.php
	inc/communication.class.php
Clean wizard
Fix problem with esx credentials. closes #2503

Conflicts:
	inc/credential.class.php
Fix problem with esx credentials. clean closes #2503