Added clips and galleries service

Added clips and galleries service

Adding CoreEntity Methods

Added getType(), isTleo() and isTlec().

Domain CoreEntities

• Add a CoreEntity based class that both Programme and Group inherit from
• Add a CoreEntitiesService that can return results of both Programmes and Groups
• Unify GroupMapper and ProgrammeMapper into a single CoreEntityMapper

Bug Fixes / Group Model

Adding Group Models
Various bug fixes

ApplicationTime changes

Update ApplicationTime to give it a concept of local time zone and make it return Chronos objects where the class exists.

iSite Options new default values

Changed the default values for iSite options

iSite Options Domain Entities

• iSite Options domain entities
• Changes to Programme and Network entities to reference these new options

iSite Options Data Objects

• Adding data objects for iSite options

Changes for programme object and schedule page

Programmeobject (#120)

* Changes for programme object and schedules by day page

Add is_sustaining_service into services

v2.2.0

PROGRAMMES-5659 added is_sustaining_service into services (#118)