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
1e77d4b3ea
