Update codecov config to point to master

Author: lockshaw

codecov.yml

@@ -1,11 +1,12 @@
 codecov:
-  branch: repo-refactor
+  branch: master
   notify:
     require_ci_to_pass: false
 
 ignore:
   - "**/*.dtg.h" 
   - "**/*.dtg.cc"
+  - "lib/**/test/*"
 
 
 coverage:
@@ -19,4 +20,4 @@ coverage:
 comment:
   layout: "header, diff, flags, files"
   behavior: default
-  require_changes: no
+  require_changes: no