Escape special characters in docs (elastic#451)

* Escape wildcard characters in docs

* Use escaper

* More characters to escape

Fix: coverage prevents per data stream testing (elastic#448)

Adjust test coverage calculation (elastic#447)

* Consider few test cases as one

* Ignore tests running in the package context

* Typo

* Verify if test is expected

Fix: skip packages without data streams in coverage calculation (elas…

…tic#443)

Generate Cobertura report (elastic#441)

* WIP

* WIP

* No transformation yet

* Update Jenkinsfile

* Coverage DTD

* Typo

* Write attrs for Cobertura report

* Enable coverage for CI scripts

* Implementation full

* Few bugfixes

* Fix: hell in builder

* Fix: wrong method name

* Supports all test types

* Fix: package context

* Rename Must

* Rename

Check if newer version is available (elastic#439)

* Check if newer version is available

* Update README

* Update internal/version/check_update.go

Co-authored-by: Jaime Soriano Pastor <jaime.soriano@elastic.co>

Co-authored-by: Jaime Soriano Pastor <jaime.soriano@elastic.co>

goreleaser: define version tag (elastic#434)

Fix goreleaser: populate ldflags (elastic#433)

Fix: folder is not a git repository (elastic#432)

Enable goreleaser to release binaries (elastic#431)

* Enable goreleaser to release binaries

* Update .ci/Jenkinsfile

Co-authored-by: Victor Martinez <victormartinezrubio@gmail.com>

Co-authored-by: Victor Martinez <victormartinezrubio@gmail.com>