Add build-depends.
Correct requests version requirement in setup.py
Imported Upstream version 0.2.1
New upstream: python-zulip_0.2.1-1

Upstream version 0.2.1

Change-Id: I018900bf51d1b7db27d3c45befa9dfd3abf0e138
Imported Upstream version 0.2.2
Merge tag 'upstream/0.2.2' into develop

Upstream version 0.2.2

# gpg: Signature made Thu 14 Nov 2013 01:06:42 AM PST using RSA key ID 21E1FA28
# gpg: Good signature from "Benjamin Staffin (benley) <ben@cloudscaling.com>"
New upstream: python-zulip_0.2.2-1

Change-Id: I70546b7e1f7d8ad59ef03d6e02ef70d58bc5b139