Fix typo in Zun

Fix typo in Zun

Change-Id: I584e9052baed5bcbd07ae417c7b7832c9cd3c1fd
Signed-off-by: Andy Yan <yanchao3@lenovo.com>

contrib/vagrant/README.md

@@ -1,7 +1,7 @@
 vagrant-devstack-zun
 =======================
 
-A Vagrant based devstack setup for zun.
+A Vagrant-based devstack setup for zun.
 Steps to try vagrant image:
 1. Install virtual-box and vagrant on your local machine.
 2. Git clone zun repository.

specs/cinder-integration.rst

@@ -82,7 +82,7 @@ vol-name, vol-size fields.
 default attributes like storage engine Cinder, Cinder endpoint etc.
 * We also need to configure Cinder endpoint in Fuxi conf file.
 * We can use same implementation for Flocker also as it supports Cinder.
-* I think if we can create seperate CinderDriver which calls from Volume
+* I think if we can create separate CinderDriver which calls from Volume
 volume driver. This approach enables way to implement multiple storages
 supports in the future and we can plug-in multiple storage implementation.
 

zun/compute/manager.py

@@ -338,7 +338,7 @@ class Manager(object):
         try:
             self.driver.update(container)
         except exception.DockerError as e:
-            LOG.error(_LE("Error occured while calling docker API: %s"),
+            LOG.error(_LE("Error occurred while calling docker API: %s"),
                       six.text_type(e))
             raise
 

zun/image/driver.py

@@ -87,7 +87,7 @@ def search_image(context, image_name, exact_match):
                                              exact_match=exact_match)
             images.extend(imgs)
         except Exception as e:
-            LOG.exception(_LE('Unknown exception occured while searching '
+            LOG.exception(_LE('Unknown exception occurred while searching '
                               'for image: %s'), six.text_type(e))
             raise exception.ZunException(six.text_type(e))
     return images