added more tests
Added tests for sun library
Added tests for sun library
Fixed location of tests in dev guide
Fixed title for sunpy.visualization in docs
Changed 'science module' to 'module' in docs
added tests for split_series_using_lytaf
Added unit tests for util.util funtions
Removed unnecessary print statement
Merge pull request #859 from amras1/sunpy-util-util-tests

Added unit tests for util.util functions
Merge pull request #854 from amras1/dev-guide-fix-test-location

Fixed location of tests in dev guide and title of sunpy.visualization
Merge pull request #799 from kaichogami/bug#222

Added tests for sunpy.sun
cleaned up creation of dummy series for testing. Edits for pep8 compliance.
Merge pull request #858 from aringlis/lytaf_test

Added tests for split_series_using_lytaf