restrict requests version with !=2.4.0

Related-Bug in requests:
https://github.com/kennethreitz/requests/issues/2192

Related-Bug: #1363979

Change-Id: I711f5e5fdaa17e22bad075b3f22a6c199dc255dc
Update oslotest to our juno rc1 version

Change-Id: I31cfadbefcc12006ba0c46a9f9a5826689a994c9
Bump glanceclient version to 0.14.0

A new version of glanceclient has been released. It contains fixes and
new features - support for Metadata Definition, for example.

Change-Id: I63a8d875c0847b8c653ef0be2061d6286b7c01e0
add header warning against sorting requirements

During sync, add a header to the requirements files warning anyone
against changing the order of the contents, especially against sorting.

Addresses-Bug: #1365061
Change-Id: I64ae9191863564e278a35d42ec9cd743a233028e
Update oslo.utils to latest version

Fixes include:
6a123fc Imported Translations from Transifex
271f1b2 Remove unused dependency on oslo.config
e81ecac Updated from global requirements
fc069d1 Just use int(BOOL) to convert to 1 or 0
118f7ea Re-enable _import* hidden methods in import_utils

Change-Id: I954c82767c4a6070067a5c7768f875a8cb96656d
Update oslo.i18n to latest version

Fixes include:
08bee34 Imported Translations from Transifex
aa251be Updated from global requirements
106387b Imported Translations from Transifex
688076e Document how to add import exceptions
a4fc251 Remove mention of Message objects from public docs

Change-Id: If8343d7c506bdd45c5e63fde852c2801e5cff1b0
Merge "Update oslotest to our juno rc1 version"
Merge "Update oslo.utils to latest version"
Merge "Update oslo.i18n to latest version"
Merge "restrict requests version with !=2.4.0"
Merge "add header warning against sorting requirements"