Upated index.html for new version
Updated basic.html for next release
Updated user guide contents
Added command links to basic help
Added reference to /help command in basic help
Updated chat room help
Merge branch 'master' into for030
Updated roster help
Updated subscription help
Reformatted command reference contents
Work in progress, command reference for 0.3.0 release

Up to /history command
Finished command reference for 0.3.0
Used consistent styling in reference.html
Updated configuration.html for 0.3.0 release
Added accounts.html
Tidied themes.html
Added new colours to theme.html
Added more detail to chat logs file locations
Updated libstrophe URL
Added screenshots