Allow getting many items at once
Parse deleted occurrences
Parse correctly the responses
Add support for modified events
Parse item attachements
Adding partial implementation of convert_id, for :hex_entry_id to :ews_id
Validate opts and use symbol params in convert_id
Cleaning up TODOs and other cruft
Making mailbox always required - though MSDN is not totally clear on this point
Forgot a comma
Fix another typo - just learned my test case wasn't picking up
Fix CalendarItem Template error in to_ews_item

self in this state is a Template::CalendarItem Object and not a Hash.
Add LegacyFreeBusyStatus for CalendarItem
Implemented basic timezone handling. Default zones can be set as context (EWSClient#set_time_zone) or override for start and end times. Implemented #get_time_zones to request all available time zones.
Mod: Allow Inline Attachments
Mod: Update Method Documentation
Mod: Define Item Attachment XML Explicitly

This is to address a failed schema validation where child elements of an
FileAttachment are not defined with a type preface.
Some test clean-up
Merge branch 'master' of https://github.com/ifad/Viewpoint into ifad-master

Conflicts:
	spec/unit/soap/builders/ews_builder_spec.rb
Merge branch 'master' of https://github.com/aez/Viewpoint into aez-master