bump version (facebookresearch#945)

Summary: Pull Request resolved: facebookresearch#945

Differential Revision: D20097676

Pulled By: ppwwyyxx

fbshipit-source-id: bfa915e6d07122bde5da02ddbe4d01c070ceb115

Author: ppwwyyxx

detectron2/__init__.py

@@ -7,4 +7,4 @@
 
 # This line will be programatically read/write by setup.py.
 # Leave them at the bottom of this file and don't touch them.
-__version__ = "0.1"
+__version__ = "0.1.1"