Version bump.

Vasileios Karakasis · Vasileios Karakasis · commit 4b663276a89c · 2018-05-04T09:43:45.000+02:00
diff --git a/reframe/__init__.py b/reframe/__init__.py
@@ -2,7 +2,7 @@
 import sys
 
 
-VERSION = '2.12-dev2'
+VERSION = '2.12'
 _required_pyver = (3, 5, 0)
 INSTALL_PREFIX = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
 
