Bumps [jquery](https://github.com/jquery/jquery) from 2.2.4 to 3.3.1.
- [Commits](https://github.com/jquery/jquery/compare/2.2.4...3.3.1)

Bump jasmine-core from 2.9.0 to 2.9.1

Fix saving attachments to cloud files

Bump sinon from 4.1.5 to 4.2.0

Bumps [jasmine-core](https://github.com/jasmine/jasmine) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/jasmine/jasmine/releases/tag/v2.9.1)
- [Changelog](https://github.com/jasmine/jasmine/blob/master/RELEASE.md)
- [Commits](https://github.com/jasmine/jasmine/compare/v2.9.0...v2.9.1)

Bumps [sinon](https://github.com/sinonjs/sinon) from 4.1.5 to 4.2.0.
- [Changelog](https://github.com/sinonjs/sinon/blob/master/docs/changelog.md)
- [Commits](https://github.com/sinonjs/sinon/compare/v4.1.5...v4.2.0)

Spelling: Consistent "could not".

Bump jasmine-core from 2.8.0 to 2.9.0

Bumps [jasmine-core](https://github.com/jasmine/jasmine) from 2.8.0 to 2.9.0.
- [Release notes](https://github.com/jasmine/jasmine/releases/tag/v2.9.0)
- [Changelog](https://github.com/jasmine/jasmine/blob/master/RELEASE.md)
- [Commits](https://github.com/jasmine/jasmine/compare/v2.8.0...v2.9.0)

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