Fixes Issue #85
Adds random display mode to latest events module.
N.B. Only suitable for small databases
Adds reloadall task which will update all calendars imported by URL
Fixes for Reloadall task
Checks if autorefresh=1
Adds message language string
Fix for latest events random display
Merge pull request #89 from owendp/JEvents_clean

Fixes Issue #85
Closes Issue #85