Upgrading to Icinga Web 2 2.0.0

Icinga Web 2 installations from package on RHEL/CentOS 7 now depend on php-ZendFramework which is available through
the EPEL repository. Before, Zend was installed as Icinga Web 2 vendor library
through the package icingaweb2-vendor-zend. After upgrading, please make sure to remove the package
icingaweb2-vendor-zend.
Icinga Web 2 version 2.0.0 requires permissions for accessing modules. Those permissions are automatically generated
for each installed module in the format module/<moduleName>. Administrators have to grant the module permissions to
users and/or user groups in the roles configuration for permitting access to specific modules.
In addition, restrictions provided by modules are now configurable for each installed module too. Before,
a module had to be enabled before having the possibility to configure restrictions.
The instances.ini configuration file provided by the monitoring module
has been renamed to commandtransports.ini. The content and location of
the file remains unchanged.
The location of a user's preferences has been changed from
<config-dir>/preferences/<username>.ini to
<config-dir>/preferences/<username>/config.ini.
The content of the file remains unchanged.

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