#827 Add demo content
Merge "version3.4" into "version3.5"
#832 Remove support for updating from ModernBB 1.6 or earlier
Merge branch 'version3.4' into version3.5
Merge branch 'version3.4' into version3.5
#836 Update navbar to new style
Merge branch 'version3.4' into version3.5
Merge branch 'version3.4' into version3.5
Merge branch 'version3.4' into version3.5
Update Readme.md
Merge branch 'version3.4' into version3.5
Update database list
Another readme update
Merge branch 'version3.4' into version3.5
Merge branch 'version3.4' into version3.5
Merge branch 'version3.4' into version3.5
Merge branch 'version3.4' into version3.5
Merge branch 'version3.4' into version3.5
#827 Fix some issues with default content
Update language string