CLI version: added versioning from module support for go get users (#2462)
CLI version: added versioning from module support for go get users (#2462)

* go-swagger version is now properly displayed when building from source using go get:

go get -u github.com/go-swagger/go-swagger/cmd/swagger
swagger version
version: v0.25.0
...

* no change for released binary versions
* no change for versions build from source repo (e.g. "dev")

* fixes #1283
* fixes #2454

Signed-off-by: Frederic BIDON <0906eec4e217633b417ff9bdf8c9fa633f82d5c8@yahoo.com>
go-swagger/go-swagger,go-swagger/go-swagger