Update ubuntu (especially for 14.04.3)

- `ubuntu:trusty`: 20150806
- `ubuntu:wily`: 20150807

library/ubuntu

@@ -5,11 +5,11 @@
 # see also https://wiki.ubuntu.com/Releases#Current
 
 # commits: (master..dist)
-#  - 8606ae5 Update tarballs
+#  - 8cf1fbf Update tarballs
 #    - `ubuntu:precise`: 20150729
-#    - `ubuntu:trusty`: 20150730
+#    - `ubuntu:trusty`: 20150806
 #    - `ubuntu:vivid`: 20150802
-#    - `ubuntu:wily`: 20150731
+#    - `ubuntu:wily`: 20150807
 
 # 20150729
 12.04.5: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 precise
@@ -17,19 +17,19 @@
 precise-20150729: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 precise
 precise: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 precise
 
-# 20150730
-14.04.2: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 trusty
-14.04: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 trusty
-trusty-20150730: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 trusty
-trusty: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 trusty
-latest: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 trusty
+# 20150806
+14.04.3: git://github.com/tianon/docker-brew-ubuntu-core@8cf1fbf4ca0a356da693bb431050443f2a4a79f8 trusty
+14.04: git://github.com/tianon/docker-brew-ubuntu-core@8cf1fbf4ca0a356da693bb431050443f2a4a79f8 trusty
+trusty-20150806: git://github.com/tianon/docker-brew-ubuntu-core@8cf1fbf4ca0a356da693bb431050443f2a4a79f8 trusty
+trusty: git://github.com/tianon/docker-brew-ubuntu-core@8cf1fbf4ca0a356da693bb431050443f2a4a79f8 trusty
+latest: git://github.com/tianon/docker-brew-ubuntu-core@8cf1fbf4ca0a356da693bb431050443f2a4a79f8 trusty
 
 # 20150802
 15.04: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 vivid
 vivid-20150802: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 vivid
 vivid: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 vivid
 
-# 20150731
-15.10: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 wily
-wily-20150731: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 wily
-wily: git://github.com/tianon/docker-brew-ubuntu-core@8606ae50e85cab36164b24e4286eb312cf188e34 wily
+# 20150807
+15.10: git://github.com/tianon/docker-brew-ubuntu-core@8cf1fbf4ca0a356da693bb431050443f2a4a79f8 wily
+wily-20150807: git://github.com/tianon/docker-brew-ubuntu-core@8cf1fbf4ca0a356da693bb431050443f2a4a79f8 wily
+wily: git://github.com/tianon/docker-brew-ubuntu-core@8cf1fbf4ca0a356da693bb431050443f2a4a79f8 wily