* refactor: convert validations to modules to prep for gui integration
* accidentally dropped, schema update
* fix accidental output to webui
* mention discovery-wrapper.py and re-arrange.
* refine some fix statements
* rename the Config validation group to Configuration.
* fix some scrutinizer issues
remove as many local functions from validator.php as possible
move extensions from pre-check
remove duplicate timezone check
looks like there is some db schema differences between mariadb 10.1 and 10.2, investigating
* mariadb version diff take2
* Check schema version first for database.
Remove stop to go back to command line for install docs.
Add helpful link when there is no devices added to /addhost
* fix incorrect validation for empty string defaults
* Fix style
* Add additional file permissions checks
* catch exception and fail for invalid timezone
Change visuals a bit.
* add php version warning
* fix space
Always output header (may be missing mysql data)
Improve version display, now looks like '1.28-129-g74e6c3edf' <tag>-<commits since tag>-<shortag>
Add mysqli to the list of required extensions, check extensions before init
Add dbIsConnected() function, used to check if we have db in version_info()
Do not die on IPv4 and IPv6 so validate can print errors.
Move git checks so they are output together
fix rrdtool 1.7.0 reports version as 1.7.01.7.0
* Made the 2 tool icons more appropiate in the menu bar
* updated eventlog and syslog icons so they are the same
* Try #2
* Changed syslog to fa-tag instead of fa-archive which is used for packages already
* Changed Syslog icon to fa-clone
* Changed "Apache" field to more generic "Web Server"
* Update about.inc.php
edit to keep "Apache/" when displaying version as we changed the field from "Apache" to "Web Server"
This eliminates nearly all of the user-facing references to Observium,
including in the names of temporary files and in the metadata of PDFs. Many
of these may not be used any more, but I've adjusted them anyway. These
changes should also make it easier to change the branding later if it is
needed. There are a few references of which I still don't understand the
significance, so I've left them as-is for now. The Unix agent in particular
is rather untidy.