Upgrade to rtwo 0.5.19

CHANGELOG.md

@@ -28,6 +28,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 ### Fixed
  - Quota updates concerning volumes would silently fail ([#611](https://github.com/cyverse/atmosphere/pull/611))
  - Fix monitor_instances_for timing out, upgrade to rtwo version 0.5.18 ([#598](https://github.com/cyverse/atmosphere/pull/598))
+ - Fix unintentional fetch of all_tenants instances, upgrade to rtwo version 0.5.19 ([#614](https://github.com/cyverse/atmosphere/pull/614))
 
 ## [v32-1](https://github.com/cyverse/atmosphere/compare/v32-0...v32-1) - 2018-04-17
 ### Added

dev_requirements.txt

@@ -175,7 +175,7 @@ requirements-detector==0.5.2  # via prospector
 rfc3986==1.1.0
 rfive==0.2.0
 rsa==3.4.2
-rtwo==0.5.18
+rtwo==0.5.19
 scandir==1.5              # via pathlib2
 selenium==3.5.0           # via splinter
 setoptconf==0.2.0         # via prospector

requirements.txt

@@ -122,7 +122,7 @@ requestsexceptions==1.3.0  # via os-client-config
 rfc3986==1.1.0            # via oslo.config
 rfive==0.2.0              # via rtwo
 rsa==3.4.2                # via oauth2client
-rtwo==0.5.18
+rtwo==0.5.19
 simplejson==3.11.1        # via osc-lib, python-cinderclient, python-neutronclient, python-novaclient
 singledispatch==3.4.0.3   # via tornado
 six==1.11.0               # via bcrypt, cliff, cmd2, cryptography, debtcollector, djangorestframework-csv, keystoneauth1, oauth2client, openstacksdk, osc-lib, oslo.config, oslo.i18n, oslo.log, oslo.serialization, oslo.utils, pynacl, pyopenssl, python-cinderclient, python-dateutil, python-glanceclient, python-heatclient, python-keystoneclient, python-neutronclient, python-novaclient, python-openstackclient, python-saharaclient, python-swiftclient, singledispatch, stevedore, warlock