Merge pull request #66 from carcam/master

No need to have the activity/description field in the edit layout and making JText javascript safe
Escape $text after expldigin the words
missing zim from .gitignore
Carlos's merge
missing zim from .gitignore
Jevnets v. 3.1.1
Refine Carlos' required fields for event editing lyout customisation - make the popup messages human readable.-
Fix search text escaping
Jevnets v. 3.1.1
Incorporating Tony's change to show difficulty options at the top of the params page.
JEvents 3.1.2
Didn't update version number in all files
required fields for editing needed a default value of array() - otherwise was causing a problem
Fixed incorrect layouttype for description/activity field