Migrate to bitbucket api v2
Migrate to bitbucket api v2

Fixes #321

Signed-off-by: Damien Regad <dregad@mantisbt.org>

Commits from original PR[[1]] were squashed.

[1]: https://github.com/mantisbt-plugins/source-integration/pull/321

dregad/source-integration,dregad/source-integration,dregad/source-integration,make-all/source-integration,mantisbt-plugins/source-integration,mantisbt-plugins/source-integration,mantisbt-plugins/source-integration,make-all/source-integration,make-all/source-integration