Bump version and prepare for 0.7.2 release (#2269)

To prepare for the 0.7.2 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 +20,18 @@ The format is based on `Keep a Changelog`_.
 `UNRELEASED`_
 =============
 
+
+`0.7.2`_ - 2019-05-01
+=====================
+
+
 Fixed
 -----
 
 - A potential issue where the backend configuration schema validation would
   improperly reject valid responses from the API (#2258)
 
+
 `0.7.1`_ - 2019-03-04
 =====================
 
@@ -889,7 +895,8 @@ Fixed
 - Correct operator precedence when parsing expressions (#190).
 - Fix "math domain error" in mapping (#111, #151).
 
-.. _UNRELEASED: https://github.com/Qiskit/qiskit-terra/compare/0.7.1...HEAD
+.. _UNRELEASED: https://github.com/Qiskit/qiskit-terra/compare/0.7.2...HEAD
+.. _0.7.1: https://github.com/Qiskit/qiskit-terra/compare/0.7.1...0.7.2
 .. _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

qiskit/VERSION.txt

@@ -1 +1 @@
-0.7.1
+0.7.2

setup.py

@@ -89,7 +89,7 @@ def has_ext_modules(self):
 
 setup(
     name="qiskit-terra",
-    version="0.7.1",
+    version="0.7.2",
     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.""",