Linked requirements to Pillar and Pillar-Python-SDK

Since Pillar is not pip-installable and also not properly versioned either,
I removed the 'pillar>=2.0' requirement from setup.py

requirements-dev.txt

@@ -0,0 +1,5 @@
+# Development requirements
+-r ../pillar/requirements-dev.txt
+
+-e ../pillar-python-sdk
+-e ../pillar

requirements.txt

@@ -1,13 +1,4 @@
 # Primary requirements:
-# pillarsdk
-# pillar
+-r ../pillar/requirements.txt
 
-attrs==16.2.0
 svn==0.3.43
-python-dateutil==2.5.3
-
-# Testing requirements:
-pytest==3.0.1
-responses==0.5.1
-pytest-cov==2.3.1
-mock==2.0.0

setup.py

@@ -8,9 +8,7 @@ setuptools.setup(
     name='attract',
     version='1.0',
     packages=setuptools.find_packages('.', exclude=['test']),
-    install_requires=[
-        'pillar>=2.0',
-    ],
+    install_requires=[],
     tests_require=[
         'pytest>=2.9.1',
         'responses>=0.5.1',