Bump version to 0.15.0-dev

Author: edschofield

src/future/__init__.py

@@ -87,8 +87,8 @@
 __license__ = 'MIT'
 __copyright__ = 'Copyright 2013-2015 Python Charmers Pty Ltd'
 __ver_major__ = 0
-__ver_minor__ = 14
-__ver_patch__ = 4
+__ver_minor__ = 15
+__ver_patch__ = 0
 __ver_sub__ = '-dev'
 __version__ = "%d.%d.%d%s" % (__ver_major__, __ver_minor__,
                               __ver_patch__, __ver_sub__)