Merge pull request #354 from dzhuang/update_badges

Removed unnecessary badges and updated coveralls badges.

.travis.yml

 language: python
 cache: pip
-python:
-  - "2.7"
-  - "3.5"
 install: true
 script:
   - bash ./run-coveralls.sh
 env:
-  - if [[$TRAVIS_PYTHON_VERSION = "2.7"]]; then PY_EXE=python2.7; else PY_EXE=python3.5; fi
+  - PY_EXE=python2.7
+  - PY_EXE=python3.5

README.rst

-.. image:: https://travis-ci.org/inducer/relate.svg
+.. image:: https://travis-ci.org/inducer/relate.svg?branch=master
   :target: https://travis-ci.org/inducer/relate
 
-.. image:: https://coveralls.io/repos/inducer/relate/badge.svg
-  :target: https://coveralls.io/r/inducer/relate
-
-.. image:: https://gitlab.tiker.net/inducer/relate/badges/master/build.svg
-  :target: https://gitlab.tiker.net/inducer/relate/commits/master
-
-.. image:: https://gitlab.tiker.net/inducer/relate/badges/master/coverage.svg?job=Python+3.5
-
+.. image:: https://coveralls.io/repos/github/inducer/relate/badge.svg?branch=master
+  :target: https://coveralls.io/github/inducer/relate?branch=master
 
 RELATE
 ======