[OE-2046]:
+ Implement support for multiple specialties
+ Implement non-medical specialties
+ Add Support Services specialty
+ added params explanation to config README
Merge branch 'release/1.2-moorfields' of https://github.com/openeyes/OpenEyes into release/1.2-moorfields
+ added helper function to abstract mysql timestamp format from unix timestamp
[OE-2167] fixed typo
[OE-2167] fixed the way moorfields site addresses are constructed.
[OE-2610] fixed incorrect case when selecting all-caps items from a dropDownTextSelection widget
Fix asset path for legacy letters
Merge branch 'release/1.2-moorfields' into release/1.3-moorfields

Conflicts:
	protected/components/Helper.php