Add expectThat method to testtools.TestCase.

Change-Id: I387df10140fe76af03d2ec693b35e326b2da932e
Don't try to release 'NEXT'.

Since we stopped double-handling things, NEXT is present in NEWS when we do a
release.

Change-Id: I4f12c0da2856b5ec072328ad9185e060182c8791
Use a credentials file rather than global keyring.

Global keyring really doesn't work all that well in the places I tend to run
this script.

Change-Id: I3e926aed2a63ada0a23cb463582b50fea2bfc007
Release 0.9.35.

Change-Id: Iee08541e591a4415e3be110b4a90ff342122aa02
Fix automation harder.

Change-Id: I0c1d03e2635272bf2b3335eb211a37e309a2100e
Opening 0.9.36 for development.

Change-Id: I2c6708592893152d70084bf659533374aa7cef9f