google cloud: fix cloud settings and requirements

These are to allow using OAuth with your dvc, as
this is the recomended way to access gcp.

Fixes #203

Signed-off-by: Ruslan Kuprieiev <[email protected]>

dvc/data_cloud.py

@@ -579,7 +579,7 @@ class DataCloudGCP(DataCloudBase):
     """ DataCloud class for Google Cloud Platform """
     @property
     def gc_project_name(self):
-        return self._cloud_config.get('ProjectName', None)
+        return self._cloud_settings.cloud_config.get('ProjectName', None)
 
     def sanity_check(self):
         project = self.gc_project_name

requirements.txt

@@ -88,3 +88,4 @@ colorama==0.3.9
 google-compute-engine==2.4.1
 configobj==5.0.6
 networkx==1.11
+gcs-oauth2-boto-plugin==1.14

setup.py

@@ -94,6 +94,7 @@ install_requires = [
     'google-compute-engine==2.4.1',
     'configobj==5.0.6',
     'networkx==1.11',
+    'gcs-oauth2-boto-plugin==1.14',
 ]
 
 if platform.system() == 'Darwin':