MAINT: Remove msgpack as a dependency.

Now that the data serialization uses pandas, msgpack is no longer
needed.

.gitignore

@@ -56,8 +56,5 @@ docs/_build/*
 # database of vbench
 benchmarks.db
 
-# downloaded data
-zipline/data/*.msgpack
-
 # Vagrant temp folder
 .vagrant

README.md

@@ -67,7 +67,6 @@ Dependencies
 * numpy (>= 1.6.0)
 * pandas (>= 0.9.0)
 * pytz
-* msgpack-python
 * Logbook
 * blist
 * requests

docs/installation.rst

@@ -23,7 +23,6 @@ Dependencies
 * numpy (>= 1.6.0)
 * pandas (>= 0.9.0)
 * pytz
-* msgpack-python
 * iso8601
 * Logbook
 * blist

etc/requirements.txt

@@ -1,4 +1,3 @@
-msgpack-python==0.3.0
 iso8601==0.1.4
 
 # Logging

setup.py

@@ -63,7 +63,6 @@ setup(
     ],
     install_requires=[
         'delorean',
-        'msgpack-python',
         'iso8601',
         'Logbook',
         'blist',

zipline/data/loader.py

@@ -185,7 +185,7 @@ Fetching data from Yahoo Finance.
         fp_tr = get_datafile('treasury_curves.csv', "rb")
     except IOError:
         print("""
-data msgpacks aren't distributed with source.
+data files aren't distributed with source.
 Fetching data from data.treasury.gov
 """).strip()
         dump_treasury_curves()