Update hacking

Update hacking requirement to current 1.1.0 release.

Change-Id: Ieddf10f6876dc8a85bf3c92c321fa0a610f685b7

lower-constraints.txt

@@ -10,7 +10,7 @@ dulwich==0.15.0
 extras==1.0.0
 fixtures==3.0.0
 flake8==2.5.5
-hacking==0.12.0
+hacking==1.1.0
 imagesize==0.7.1
 iso8601==0.1.11
 isort==4.3.4

test-requirements.txt

@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 # Hacking already pins down pep8, pyflakes and flake8
-hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
+hacking>=1.1.0,<1.2.0 # Apache-2.0
 
 bashate>=0.5.1 # Apache-2.0
 doc8>=0.6.0 # Apache-2.0