Filter issues based on (version) tagging in repository

Description

It would be nice to be able to filter issues in a project based on the tags added in a repository. For example, we use version tagging in our tracked branch to releases versions for our mobile application. If I could filter on this version in my issue list I would always have a reference which issues are solved in which version (as a release note or whatever).

I would say this is possible, because issues are linked into commits through their issue number and a commit gets tagged eventually. So it would be possible to add a filter based on the commit tagging.

Proposal

If you would have the following commit tree:

Commit SHA	Commit	Tag
13e819e2	Merge branch '50-feature-x' into 'master'	v2.0.0
d06eaeee	gitlab-ce#50-feature-x
1dbc3ecf	Merge branch '49-feature-y' into 'master'
0585c0ad	gitlab-ce#49-feature-y
d58da711	Merge branch '48-feature-a' into 'master'	v1.0.0
df743447	gitlab-ce#48-feature-a
df743447	Merge branch '47-feature-b' into 'master'
90ec0fe3	gitlab-ce#47-feature-b

Which would mean that if you would filter in your issues list on tag v2.0.0 it would show you issue #50 and #49. Issues from start tag until next tag.

Also if this link is up, you could also show all related issues within the tags pages (release notes).