This update for cacti fixes the following issues:

- fix httpd startup errors due to mismatched configuration
  directives (boo#1175314)

cacti 1.2.16:

* When generating a report, the Cascade to Branches function does not as expected
* When viewing graphs, automatic refresh so not always work as expected
* Realtime graph pop up counter bug
* Undefined variable errors may occur when creating a new datasource
* The cli-based installer does not exit with a non-zero exit code when error occurs
* When an export is complete, sometimes the progress bar remains
* When enabling many devices, a threshold can be reached causing a slowdown in the process
* When performing actions against Devices, replicated device information could sometimes be lost
* When using API to rename a tree node, backtrace may be incorrectly shown
* When searching, valid pages can sometimes be shown as empty by ddb4github
* When exporting data from graphs, not all data was properly included
* Graph Templates filter is not updated after new graph created by ddb4github
* Username and password on the login page is not visible in Classic theme
* Improve wording of concurrent process and thread settings
* Location filter should remove blank entries by ddb4github
* When syncing data collectors, a reindex event may be triggered unnecessarily
* Automation Networks allows discovery of invalid IP addresses
* When changing permissions of the current user, they don't take effect immediately
* When reindexing a device, an incorrect page was sometimes displayed
* When repairing database, audit_database.php does not add missing columns
* Log page should not be empty if no log info exists
* During upgrade, there are times when realms can be duplicated leading to SQL errors
* When using ping.php, UDP response times are not interpreted properly by hypnotoad
* Improve warning you get when attempting to view a log file you don't have access to
* When replicating files, scripts are not marked as executable
* When creating plugin tables, collation is not set properly
* Update c3.js to version 0.7.20
* Update Chart.js to version 2.9.4
* Update phpseclib to version 2.0.29
* Update PHPMailer to version 6.1.8
* Use LSB shebang notation for cli scripts
* Add support for cactid daemon based launcher
* Add ability to hide the Graph Drilldown icons by datatecuk
* Add hooks for plugins to show custom Graph Source and custom Template URL (List View)

cacti 1.2.15, fixing the following bugs:

* When editing Maximum OIDs Per Get Request, blank value can cause errors
* Boost may run more often than it should
* Recache Event Loop can cause Interface Graphs to show gaps
* When searching Graph Tree's, non matching devices remain visible
* Page validation errors may occur when opening real time graphs
* External Links do not always open if they are still open from previous usage
* Cultural changes to various word usage
* Replicate deleted device status instead of poller sync
* Description field allows more characters entered than is stored
* When installing or upgrading, LDAP functions may not always be included properly
* Unable to remove discovered device
* When installing or upgrading, PHP recommendations may not always return a valid value
* Graph Templates has duplicate SQL delete statement
* When syncing to remote poller, missing function errors may occur
* When removing devices from remote pollers, devices may reappear without details
* When removing devices, array errors may sometimes be recorded
* Variable injection does not always work as expected
* Editing Data Queries with multiple data templates can give errors about Suggested values
* Progress bar does not provide enough visual information during long page loads
* Some themes do not allow for a way to see which user is currently signed in
* When viewing tables, allow users to force all columns to be visible
* Column sizing is being lost between pages refreshes
* When viewing input methods table, no ID is shown to help identify which method is being viewed
* Filters do not always respect using keyboard to initiate searching
* When exporting a data query, an invalid column name error can sometimes be shown
* When checking if a view is allowed, having no session can result in errors
* When removing devices via the CLI, undefined variable errors may be seen
* Real Time Graphs may cause invalid index errors
* On newer versions of MySQL/MariaDB, 'system' keyword can cause issues
* Plugin setup can generate errors when reading options via system function
* Plugin version numbers can be unexpectedly truncated
* When PHP Session is set to autostart, an error can be reported as Cacti attempts to start it
* When removing multiple items, selection process does not always work
* When exporting colors, the indicator is not always removed upon completion
* Unable to pass tree and leaf ID to 'graph_button' hook
* When performing maintenance, various errors may sometimes be seen
* When Guest User setting is active, current user is not always properly set
* When installing Cacti, minor errors in text can be seen
* Numbers are not always formatted properly when there are no decimal places
* When viewing Real Time Graphs, an undefined index error may be recorded
* Minor memory leaks and refresh issues when zooming on graphs
* Real Time Graphs may sometimes fail due to folder permissions
* Navigation can sometimes occur unexpectedly due to background timers
* Trees management screen not reporting correct number of trees
* Tree sequences can sometimes skip numbers during resorting
* Guest user selection should not allow setting the currently logged in user
* Links in Table Headers do not show clearly when in modern theme
* Under some cases tree logic leads to undefined index errors
* Cacti Data Debug can show errors if the Data Source is damaged or has been removed
* When importing a data query, an invalid column name error can sometimes be shown
* When using shift functions on graphs, negative values are not allowed
* Correct issue when file is unreadable reporting no file was specified
* Orphaned Plugins have no option to be removed
* Update MySQL recommendations for Character Set and Colation
* Correct sorting of IP addresses to be numeric not alpha by JamesTilt
* Saving a device should not always repopulate the poller cache