Collective.dms.mailcontent

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- Added settings to manage internal_reference_no field visibility and
number incrementing for outgoing mails.
[sgeulette]
- Added reply view to respond to incoming mail.
[sgeulette]
- Added external_reference_no in outgoing mail.
[sgeulette]
- Removed some grok
[sgeulette]

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- Corrected empty dependency step causing unresolved warning. Save changes !
[sgeulette]

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- Corrected empty dependency step causing unresolved warning.
[sgeulette]

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- Changed sender field from ContactChoice to ContactList (multiple values).
[sgeulette]
- Some corrections on encoding and index update
[sgeulette]

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- Add a recipients index, containing also the organisation chain UIDs [sgeulette]
- Updated reply_to field to allow dmsincomingmail and dmsoutgoingmail types. [sgeulette]
- Corrected indexer not working with 2 decorators. [sgeulette]
- Added display_backrefs on reply_to field. [sgeulette]
- Combined title and internal_reference_no in Title for OutgoingMail [sgeulette]
- Set internal_reference_no if empty [sgeulette]
- Add internal_reference_no in SearchableText [sgeulette]
- Display time on reception_date [sgeulette]
- Added option to set outgoing mail date at today [sgeulette]

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- Add a sender index, containing also the organisation chain UIDs [sgeulette]
- Add a sender_index metadata [sgeulette]
- Use the same permission to protect config view and configlet. [sgeulette]