Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Fix Makefile's dev-setup and composer install

Update horde libs

Bump pear-pear.horde.org/Horde_Mime from 2.10.3 to 2.11.0

Merge branch 'master' of github.com:/nextcloud/mail into dependabot/composer/pear-pear.horde.org/Horde_Mime-2.11.0

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Remove undefined and unused var

Bump sinon from 4.1.4 to 4.1.5

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Release 0.7.8

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Install composer deps with -o flag to fix an autoloading error

For an yet unknown reason, composer suddenly fails to load the
UrlLinker class if dependencies haven't been installed with the
optimize flag.

Ref #697

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Fix Travis build matrix for stable13

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Bumps pear-pear.horde.org/Horde_Mime from 2.10.3 to 2.11.0.

Bumps [sinon](https://github.com/sinonjs/sinon) from 4.1.4 to 4.1.5.
- [Release notes](https://github.com/sinonjs/sinon/releases/tag/v4.1.5)
- [Changelog](https://github.com/sinonjs/sinon/blob/master/History.md)
- [Commits](https://github.com/sinonjs/sinon/compare/v4.1.4...v4.1.5)

Fix recipients rending of sent messages

Migrate away from some global js dependencies

Signed-off-by: Jan-Christoph Borchardt <hey@jancborchardt.net>

Migrate to a more sophisticated HTML to text lib

Release 0.7.7

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Bump sinon from 4.1.3 to 4.1.4

Bumps [sinon](https://github.com/sinonjs/sinon) from 4.1.3 to 4.1.4.
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/master/History.md)
- [Commits](https://github.com/sinonjs/sinon/compare/v4.1.3...v4.1.4)

* Remove hacky server-side label mangling
* Detect sent folder on the client-side
* Append '& others' in case there is more than one recipient

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>