Update old github links

Summary: facebookincubator -> facebook

Reviewed By: haoxuany

Differential Revision: D7729114

fbshipit-source-id: 4786b40060e873900c50e3af20be180a573a19ce

Dockerfile

@@ -1,6 +1,6 @@
 FROM haskell:8
 
-RUN git clone https://github.com/facebookincubator/duckling.git
+RUN git clone https://github.com/facebook/duckling.git
 
 RUN mkdir /log
 

duckling.cabal

@@ -3,8 +3,8 @@ version: 0.1.6.0
 synopsis: A Haskell library for parsing text into structured data.
 description:
  Duckling is a library for parsing text into structured data.
-homepage: https://github.com/facebookincubator/duckling#readme
-bug-reports: https://github.com/facebookincubator/duckling/issues
+homepage: https://github.com/facebook/duckling#readme
+bug-reports: https://github.com/facebook/duckling/issues
 license: OtherLicense
 license-files: LICENSE,PATENTS
 author: Facebook, Inc.
@@ -980,4 +980,4 @@ executable duckling-expensive
 
 source-repository head
  type: git
- location: https://github.com/facebookincubator/duckling
+ location: https://github.com/facebook/duckling