Corrected Travis and Tox configurations

* Removed "coverage combine": it deletes coverage information
* Only keep coverage of the javaobj module, ignore the tests module

Author: tcalmant

.travis.yml

@@ -1,5 +1,6 @@
 language: python
 python: 3.5
+sudo: false
 
 env:
   - TOX_ENV=py27
@@ -19,5 +20,4 @@ script:
   - tox -e $TOX_ENV
 
 after_success:
-  - coverage combine
   - coveralls

tox.ini

@@ -3,7 +3,7 @@ envlist = py26,py27,py33,py34,py35,pypy,pypy3
 
 [testenv]
 passenv = TRAVIS TRAVIS_JOB_ID TRAVIS_BRANCH
-commands = nosetests --with-coverage {posargs} tests
+commands = nosetests --with-coverage --cover-package=javaobj {posargs} tests
 deps =
    nose
    coverage