[minor] add a couple comments describing some of the actions in travis

.travis.yml

@@ -23,11 +23,15 @@ script:
     - mkdir -p "$GOPATH/src/mig.ninja/"
     - mv "$OLDPATH" "$GOPATH/src/mig.ninja/"
     - cd "$GOPATH/src/mig.ninja/mig"
+    # the files in conf/ are our default files but we need them to also
+    # exist in the package directory so go get works. make sure the package
+    # specific files match our defaults in conf/ here.
     - diff mig-agent/configuration.go conf/mig-agent-conf.go.inc
     - diff mig-agent/available_modules.go conf/available_modules.go
     - diff mig-loader/configuration.go conf/mig-loader-conf.go.inc
     - diff client/mig-console/available_modules.go conf/available_modules.go
     - diff client/mig/available_modules.go conf/available_modules.go
+    # enable all the modules we have for the test
     - sed -i 's,//_,_,' conf/available_modules.go
     - make
     - docker build -t mozilla/mig .