Bump version and prepare for 0.7.1 release (#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.

CHANGELOG.rst

@@ -20,12 +20,17 @@ The format is based on `Keep a Changelog`_.
 `UNRELEASED`_
 =============
 
+`0.7.1`_ - 2019-03-04
+=====================
+
+
 Fixed
 -----
 
 - Fixed a bug with measurement sampling optimization in BasicAer
   qasm_simulator (#1624).
 
+
 `0.7.0`_ - 2018-12-19
 =====================
 
@@ -878,7 +883,8 @@ Fixed
 - Correct operator precedence when parsing expressions (#190).
 - Fix "math domain error" in mapping (#111, #151).
 
-.. _UNRELEASED: https://github.com/Qiskit/qiskit-terra/compare/0.7.0...HEAD
+.. _UNRELEASED: https://github.com/Qiskit/qiskit-terra/compare/0.7.1...HEAD
+.. _0.7.1: https://github.com/Qiskit/qiskit-terra/compare/0.7.0...0.7.1
 .. _0.7.0: https://github.com/Qiskit/qiskit-terra/compare/0.6.0...0.7.0
 .. _0.6.0: https://github.com/Qiskit/qiskit-terra/compare/0.5.7...0.6.0
 .. _0.5.7: https://github.com/Qiskit/qiskit-terra/compare/0.5.6...0.5.7

qiskit/VERSION.txt

@@ -1 +1 @@
-0.7.0
+0.7.1

setup.py

@@ -89,7 +89,7 @@ def has_ext_modules(self):
 
 setup(
     name="qiskit-terra",
-    version="0.7.0",
+    version="0.7.1",
     description="Software for developing quantum computing programs",
     long_description="""Terra provides the foundations for Qiskit. It allows the user to write 
         quantum circuits easily, and takes care of the constraints of real hardware.""",