Fix typo in attachments button

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

Fix outdated message flashing when navigation away

Remove dead attachment service code

Remove dead sync service

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>

Add back button unblock blocked external content

Fixes https://github.com/nextcloud/mail/issues/1285



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

Merge pull request #1309 from nextcloud/dependabot/npm_and_yarn/refactor/vue/@babel/preset-env-7.1.6

Bump @babel/preset-env from 7.1.5 to 7.1.6

Bumps [@babel/preset-env](https://github.com/babel/babel) from 7.1.5 to 7.1.6.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.1.5...v7.1.6

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Bump @babel/core from 7.1.5 to 7.1.6

Bumps [@babel/core](https://github.com/babel/babel) from 7.1.5 to 7.1.6.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.1.5...v7.1.6

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Add forwarding of messages

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

Show subfolders in sidebar

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

Bump nextcloud-vue from 0.4.2 to 0.4.3

Bumps [nextcloud-vue](https://github.com/nextcloud/vue-components) from 0.4.2 to 0.4.3.
- [Release notes](https://github.com/nextcloud/vue-components/releases)
- [Commits](https://github.com/nextcloud/vue-components/compare/v0.4.2...v0.4.3

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Do not add changed messages to unified inbox

Fixes https://github.com/nextcloud/mail/issues/1295



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

Handle message loading errors and revive crash reporter

Merge pull request #1302 from nextcloud/dependabot/npm_and_yarn/refactor/vue/eslint-plugin-vue-5.0.0-beta.4

Bump eslint-plugin-vue from 5.0.0-beta.3 to 5.0.0-beta.4

Bumps [eslint-plugin-vue](https://github.com/vuejs/eslint-plugin-vue) from 5.0.0-beta.3 to 5.0.0-beta.4.
- [Release notes](https://github.com/vuejs/eslint-plugin-vue/releases)
- [Commits](https://github.com/vuejs/eslint-plugin-vue/compare/v5.0.0-beta.3...v5.0.0-beta.4

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Merge branch 'refactor/vue' of github.com:/nextcloud/mail into enhancement/vue-message-loading-error-report

Bump eslint from 5.8.0 to 5.9.0

Bump prettier from 1.15.1 to 1.15.2

Bumps [prettier](https://github.com/prettier/prettier) from 1.15.1 to 1.15.2.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/1.15.1...1.15.2

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [eslint](https://github.com/eslint/eslint) from 5.8.0 to 5.9.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v5.8.0...v5.9.0

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Bump ical.js from 1.2.2 to 1.3.0

Bump nextcloud-vue from 0.3.1 to 0.4.2

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

Merge pull request #1297 from nextcloud/dependabot/npm_and_yarn/refactor/vue/eslint-config-prettier-3.3.0

Bump eslint-config-prettier from 3.1.0 to 3.3.0

Bumps [ical.js](https://github.com/mozilla-comm/ical.js) from 1.2.2 to 1.3.0.
- [Release notes](https://github.com/mozilla-comm/ical.js/releases)
- [Changelog](https://github.com/mozilla-comm/ical.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mozilla-comm/ical.js/compare/v1.2.2...v1.3.0

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [nextcloud-vue](https://github.com/nextcloud/vue-components) from 0.3.1 to 0.4.2.
- [Release notes](https://github.com/nextcloud/vue-components/releases)
- [Commits](https://github.com/nextcloud/vue-components/compare/v0.3.1...v0.4.2

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Bumps [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) from 3.1.0 to 3.3.0.
- [Release notes](https://github.com/prettier/eslint-config-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-config-prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/eslint-config-prettier/compare/v3.1.0...v3.3.0

)

Signed-off-by: dependabot[bot] <support@dependabot.com>

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

Fix missing incoming envelopes from background sync

Fix babel dependencies