PEP8 fixes, spelling fixes

Change-Id: Icbc3895637e80671897d103720568067afb02b5b

octavia/db/migration/alembic_migrations/README.rst

@@ -1,6 +1,6 @@
 The migrations in the alembic/versions contain the migrations.
 
-Before runnign this migration ensure that the database ocatavia exists.
+Before running this migration ensure that the database octavia exists.
 
 Currently the database connection string is in octavia/db/migration/alembic.ini
 but this should eventually be pulled out into an octavia configuration file.
@@ -13,4 +13,4 @@ To migrate to the most current version run:
 $ alembic upgrade head
 
 To downgrade one migration run:
-$ alembic downgrade -1
+$ alembic downgrade -1

octavia/db/migration/alembic_migrations/env.py

@@ -81,4 +81,4 @@ def run_migrations_online():
 if context.is_offline_mode():
     run_migrations_offline()
 else:
-    run_migrations_online()
+    run_migrations_online()

octavia/db/migration/alembic_migrations/versions/35dee79d5865_initial_create.py

@@ -369,4 +369,4 @@ def downgrade():
     op.drop_table(u'session_persistence_type')
     op.drop_table(u'algorithm')
     op.drop_table(u'protocol')
-    op.drop_table(u'health_monitor_type')
+    op.drop_table(u'health_monitor_type')

octavia/db/models.py

@@ -324,4 +324,4 @@ class Amphora(base_models.BASE):
     status = sa.Column(
         sa.String(36),
         sa.ForeignKey("provisioning_status.name",
-                      name="fk_container_provisioning_status_name"))
+                      name="fk_container_provisioning_status_name"))