Fixed some of the issues that came up during restructuring

test/detector_tests.py

 from __future__ import absolute_import
-from context import tupak
+import tupak
 import unittest
 import mock
 from mock import MagicMock

test/example_tests.py

@@ -6,7 +6,7 @@ import logging
 
 # Required to run the tests
 from past.builtins import execfile
-from test.context import tupak
+import tupak
 
 # Imported to ensure the examples run
 

test/make_standard_data.py

@@ -4,7 +4,7 @@ import os
 
 import numpy as np
 
-from test.context import tupak
+import tupak
 from tupak.gw.waveform_generator import WaveformGenerator
 
 np.random.seed(10)

test/noise_realisation_tests.py

 from __future__ import absolute_import
 import numpy as np
 import unittest
-from test.context import tupak
+import tupak
 
 
 class TestNoiseRealisation(unittest.TestCase):

test/prior_tests.py

 from __future__ import absolute_import
-from test.context import tupak
+import tupak
 import unittest
 from mock import Mock
 import numpy as np

test/sampler_tests.py

 from __future__ import absolute_import
-from test.context import tupak
+import tupak
 from tupak.core import prior
 from tupak.core.result import Result
 import unittest

test/tests.py

@@ -6,7 +6,7 @@ import unittest
 import numpy as np
 from past.builtins import execfile
 
-from test.context import tupak
+import tupak
 
 
 class Test(unittest.TestCase):

test/waveform_generator_tests.py

 from __future__ import absolute_import
 import unittest
-from test.context import tupak
+import tupak
 import numpy as np