Rename CompletionProposalProvider to SuggestionProvider

(refs #1242) Bugfix in branch protection for branches which contain /

Purge Emoji support because it will be provided as plugin

Merge remote-tracking branch 'origin/master'

Remove head / from resource path

Fix error in creating and merging pull request

(refs #1241) Update CompletionProposalProvider interface

Fix testcase

(refs #1241) Filter CompletionProposalProvider by the completion context

Update TextDecorator interface

(refs #1241) Add new extension point to add completion proposals provider for the textarea

(refs #1240) Add new extension point to add text decorators

Decorate only text node

Fix plugin versions in installed plugins page

(refs #1238) Add new extension point to supply assets by plugin

Remove unused import statements

Fix WebHook message garbling: ...

https://github.com/takatakata/gitbucket/commit/76079aa1e8d6e6e52651fa8a81e90239a226bbb7

(refs #1237) Fix broken layout

Remove unused import statements

Fix emoji conversion

Change import to resolve resolving error in IntelliJ

Change import to resolve resolving error in IntelliJ

Change import to resolve resolving error in IntelliJ

Change import to resolve resolving error in IntelliJ

Change import to resolve resolving error in IntelliJ

Change import to resolve resolving error in IntelliJ

Use completion is disabled in the Wiki editor

Add user name completion in the textarea

Remove extension point to add text decorators. We need more consideration.

Add new extension point to add TextDecorator.