Update the version of keyring to avoid bug

keyring 3.3 generates the following error:
    dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NotSupported:
    Unable to autolaunch a dbus-daemon without a $DISPLAY for X11
The bug is fixed in keyring 3.4

Closes-Bug: #1242992

Change-Id: I2fcb2f67d9d7570d8128f6a37c6930397eaa4a25
Add new keystone projects to projects.txt

Add the keystonemiddleware and keystone-specs repositories to the
projects.txt file.

Change-Id: I11c2e675eeeab0d11ecec9e2536098c8c03d396a
Merge "Update the version of keyring to avoid bug"
Merge "Add new keystone projects to projects.txt"