Close #506 Add rss feed attribute tests
Add a test that pulls different rss feed attributes such as title, speaker, etc.

test_get_presentations(): pulls attributes title, speaker, level,
status, time, event and room and checks that they contain
correct values

Fixed flake8 errors

Added tests for getting entry title and speaker; need to revisit

Added a test for removing tag indicators

trimmed whitespace in return values for rss_parser.py functions after adding tests for whitespace

code cleanup

fixed flaked8 errors

Failed to mock rest of rss_parser methods - starting to suspect httpretty may not be able to mock up entries

fixed flake8 error

dummy push to pass Travis

updated dev_requirements.txt

added local test .rss file

Add test file for plugins/importer/rss_feedparser

Test different presentation fields

Fix rss_feedparser tests to properly mock feeds