Land rapid7#4303, Travis build blacklist

gh-pages, metakitty

Author: wvu

.gitignore

@@ -83,3 +83,7 @@ data/meterpreter/screenshot.*.dll
 # private source. If you're interested in this functionality,
 # check out Metasploit Pro: http://metasploit.com/download
 data/meterpreter/ext_server_pivot.*.dll
+
+# Avoid checking in metakitty, the source for
+# https://rapid7.github.io/metasploit-framework. It's an orphan branch.
+/metakitty

.travis.yml

@@ -36,3 +36,9 @@ notifications:
 
 git:
   depth: 5
+
+# Blacklist certain branches from triggering travis builds
+branches:
+  except:
+    - gh-pages
+    - metakitty