move important stuff to top of toc
Merge branch 'v5-stable' into v5-stable-restructure
remove outdated "bugs" listing

This has long been superseeded by the bug trackers
see also: https://github.com/rsyslog/rsyslog-doc/issues/42
fix indention
remove outdated rsyslog/syslog-ng comparison

see also: https://github.com/rsyslog/rsyslog-doc/issues/42
fix rsyslog queue analogy page
fix indention
fix rst-conversion errors
fix conversion problems & content

config graphs are no longer supported
Merging in UGerhards-v5-stable-issue11
Corrected merge conflicts.
Corrected Merge conflicts for merge rgerhards-v5-stable-rst-bugfixes