Merge branch 'cover' into ccover

.circle.yml

@@ -21,5 +21,5 @@ dependencies:
 
 test:
     override:
-        - case $CIRCLE_NODE_INDEX in 0) py.test --flake8 --timeout=10 ;; 1) py.test --timeout=10 ;; esac:
+        - case $CIRCLE_NODE_INDEX in 0) py.test --flake8 --timeout=10 --cov=./xonsh;; 1) py.test --timeout=10 ;; esac:
             parallel: true

.coveragerc

@@ -4,4 +4,5 @@ omit =
   tests/*
   xonsh/__amalgam__.py
   */parser*_table.py
+  xonsh/ply/*
   setup.py

README.rst

@@ -18,6 +18,9 @@ xonsh
     :target: https://landscape.io/github/xonsh/xonsh/master
     :alt: Code Health
 
+.. image:: https://codecov.io/gh/xonsh/xonsh/branch/master/graph/badge.svg
+    :target: https://codecov.io/gh/xonsh/xonsh
+
 xonsh is a Python-powered, cross-platform, Unix-gazing shell language and command prompt.
 The language is a superset of Python 3.4+ with additional shell primitives.
 xonsh (pronounced *conch*) is meant for the daily use of experts and novices alike.

codecov.yml

@@ -1,9 +0,0 @@
-coverage:
-  status:
-    project:
-      default:
-        target: auto
-        threshold: 10
-    patch:
-      default:
-        target: 0%