A bad exit status from apply or delete crashes the loop

[tommyvn]

This shouldn't be a critical failure.

running apply                      
out: b''                           
error:                             
START ========================     
error: could not lock config file .git/config: No such file or directory                                                                     

Traceback (most recent call last): 
  File "/usr/local/bin/side8-k8s-operator", line 11, in <module>      
    load_entry_point('side8.k8s.operator==0.1', 'console_scripts', 'side8-k8s-operator')()                                                   
  File "/usr/local/lib/python3.6/site-packages/side8/k8s/operator/__init__.py", line 244, in main                                            
    wait_events(custom_objects_api_instance, fqdn, version, resource, apply_fn, delete_fn)                                                   
  File "/usr/local/lib/python3.6/site-packages/side8/k8s/operator/__init__.py", line 169, in wait_events                                     
    object['status'] = apply_fn(event['object'])                      
  File "/usr/local/lib/python3.6/site-packages/side8/k8s/operator/__init__.py", line 221, in apply_fn                                        
    assert process.returncode == 0 
AssertionError