Fix bibtex testcase, closes #25.

Also, made pyfakefs a straight pypi requirement, rather than a
github one, as no dev feature is needed since the last release.

.gitignore

@@ -40,3 +40,7 @@ nosetests.xml
 .mr.developer.cfg
 .project
 .pydevproject
+
+
+# Tests
+.pytest_cache

tests/bibexamples/leadingspace.bib

@@ -1,4 +1,4 @@
-@article{ Space,
+@article{ LeadingSpace ,
           author = {Name, FirstName},
            title = {Title},
 }

tests/requirements.txt

@@ -1,4 +1,4 @@
 # those are the additional packages required to run the tests
 six
-git+http://github.com/jmcgeheeiv/pyfakefs#egg=pyfakefs
+pyfakefs
 ddt

tests/test_usecase.py

@@ -323,7 +323,6 @@ class TestAdd(URLContentTestCase):
         doc_dir = os.path.join(self.default_pubs_dir, 'doc')
         self.assertEqual(set(os.listdir(doc_dir)), {'Page99.pdf'})
 
-    @unittest.expectedFailure
     def test_leading_citekey_space(self):
         cmds = ['pubs init',
                 'pubs add bibexamples/leadingspace.bib',