+ fixes for changes to split events and metadata
+ UI updates
+ compatibility update for changes to nested controller
[OE-3155] renamed non-element table prefixed with et (and associated model)
PSR2 compliance changes
Merge branch 'release/1.4' of github.com:openeyes/OphTrLaser into release/1.4

Conflicts:
	views/default/_create.php
	views/default/_update.php
	views/default/form_Element_OphTrLaser_Site.php
PSR2 compliance changes
+ [OE-3271] respect the sides
+ [OE-3272] ensure event actions displayed in view mode
[OE-3176] render comments text with linebreaks
Merge branch 'release/1.4' of github.com:openeyes/OphTrLaser into release/1.4
+ [OE-3326] fix icon display
+ release docs
+ tweak to site laser model code to reflect table structure
+ minor tweak for performance - check ids rather than objects for building site list
[OE-3419] Fixed add-all and remove-all links for optional elements