qiskit-terra 0.8.0

The Qiskit Terra 0.8.0 release.

Qiskit Terra 0.7.2

Changelog
========

Fixed
-------

- A potential issue where the backend configuration schema validation would
  improperly reject valid responses from the API (Qiskit#2258)

Bump version and prepare for 0.7.1 release (Qiskit#1886)

* Bump version and prepare for 0.7.1 release

To prepare for the 0.7.1 bugfix release we need to increase the version
number and update the changelog. This commit takes care of that so we
can tag the release and build it.

pip release: 0.7.0

pip release: 0.6.1 (Qiskit#1037)

- There are no changes in the code. Just a rebuild of the wheel package.

Merge pull request Qiskit#1025 from atilag/stable-0.6

Stable 0.6

pip release: 0.5.7

Merge pull request Qiskit#628 from diego-plan9/stable-0.5.6

Stable 0.5.6

Merge pull request Qiskit#617 from atilag/stable-0.5.5

Stable 0.5.5

Merge pull request Qiskit#559 from atilag/stable-0.5.4

Stable 0.5.4