Groups' right

* Edit groups' rights in the metadata editor for the maps.
* New plugins for map manager
 * UserGroupComboBox to show a simple user group combo box
 * Resource group permission grid and window that manage the permissions for an resource
* This commit fixes #397 issue
Minor fixes

* Include `everyone` group to allow public maps.
* Change security rule title and icon for rule edit.
Some fixes.

* Review UserGroupComboBox namespace
* Allow map permission edition for users
* Include some i18n
* Map grid rowexpander fix
Resource permission fix

Put `record.data.canWrite` to write permission (it was using canRead)
Minor fixes

* Disable edit/delete button before update or delete
* Fix IE8 bug
* Remove console.log from MSMUtil
Merge branch '397_groups_rights' of git://github.com/alediator/mapstore into alediator-397_groups_rights
merged groups permission