BLD: Remove Delorean as a build and setup dependency.

Now that we use pandas Timestamp throughout, Delorean is no longer
needed as a dependency.

README.md

@@ -70,7 +70,6 @@ Dependencies
 * Logbook
 * blist
 * requests
-* delorean
 * iso8601
 * [python-dateutil](https://pypi.python.org/pypi/python-dateutil) (>= 2.1)
 

etc/requirements.txt

@@ -20,6 +20,3 @@ TA-Lib==0.4.7
 
 # For fetching remote data
 requests==1.2.3
-
-# For remaining sane when coping with dates
-delorean==0.2.1

setup.py

@@ -62,7 +62,6 @@ setup(
         'Topic :: System :: Distributed Computing',
     ],
     install_requires=[
-        'delorean',
         'iso8601',
         'Logbook',
         'blist',