* Sync releases table with tags on push and for mirrors
* Code style fixes
* Fix api to return only releases
* Optimize release creation and update
Minimize posibility of race conditions
* Fix release lower tag name updating
* handle tag reference update by addionally comparing commit id
* Added count to GetReleasesByRepoID so pagination will work
* Separated it out to a new function, can then also leave the API part unaffected
* Remove extra whitespace added in untouched function
* Added comment and corrected name in error handler
* Account for if the user is owner or not in the count
* Also check if repo is draft
* revert back to the correct count in the ReleasesToDisplay loop
* Fixed lint error regarding else with return statement
* Use Cond struct instead of string, corrected name in error handler
* Removed unused return variable names
* Add a process.Manager singleton with process.GetManager()
* Use process.GetManager everywhere
* Fix godoc comments for process module
* Increment process counter id after locking the mutex
* Moved attachaments POST url from /issues/attachments to /attachments
* Implemented attachment upload on release page
* Implemented downloading attachments on the release page
* Added zip and gzip files to default allowed attachments
* Implemented uploading attachments on edit release
* Renamed UploadIssueAttachment to UploadAttachment
* Fix#3315: Release dont use tag creation date
* Simplify code and apply gofmt
* remove useless block (ctx.Repo.GitRepo.GetTag) on EditReleasePost
* apply gofmt on modified files
Since the release struct is initialized with the current `HEAD` of the
current `release.Target` the commit id has to be updated if the tag
commit already exists. Otherwise the linked commit on the release page
will target the current `HEAD` at release time.
