Plugin installation - profiles creation PHP errors

[mohierf]

Some PHP errors in the users' profiles creation process:

2016-07-27 14:43:18 [2@Alignak-VirtualBox]
  *** PHP Warning(2): Invalid argument supplied for foreach()
  Backtrace :
  plugins/monitoring/inc/profile.class.php:398
  plugins/monitoring/install/install.php:58          PluginMonitoringProfile::initProfile()
  plugins/monitoring/hook.php:124                    pluginMonitoringInstall()
  inc/plugin.class.php:643                           plugin_monitoring_install()
  :                                                  Plugin->install()
  front/plugin.form.php:49                           call_user_func()
2016-07-27 14:43:18 [2@Alignak-VirtualBox]
  *** PHP Warning(2): Invalid argument supplied for foreach()
  Backtrace :
  plugins/monitoring/inc/profile.class.php:398
  plugins/monitoring/install/install.php:58          PluginMonitoringProfile::initProfile()
  plugins/monitoring/hook.php:124                    pluginMonitoringInstall()
  inc/plugin.class.php:643                           plugin_monitoring_install()
  :                                                  Plugin->install()
  front/plugin.form.php:49                           call_user_func()
2016-07-27 14:43:18 [2@Alignak-VirtualBox]
  *** PHP Warning(2): Invalid argument supplied for foreach()
  Backtrace :
  plugins/monitoring/inc/profile.class.php:398
  plugins/monitoring/install/install.php:58          PluginMonitoringProfile::initProfile()
  plugins/monitoring/hook.php:124                    pluginMonitoringInstall()
  inc/plugin.class.php:643                           plugin_monitoring_install()
  :                                                  Plugin->install()
  front/plugin.form.php:49                           call_user_func()
2016-07-27 14:43:18 [2@Alignak-VirtualBox]
  *** PHP Warning(2): Invalid argument supplied for foreach()
  Backtrace :
  plugins/monitoring/inc/profile.class.php:398
  plugins/monitoring/install/install.php:58          PluginMonitoringProfile::initProfile()
  plugins/monitoring/hook.php:124                    pluginMonitoringInstall()
  inc/plugin.class.php:643                           plugin_monitoring_install()
  :                                                  Plugin->install()
  front/plugin.form.php:49                           call_user_func()