Merge pull request #61 from themighty1/master

Major improvements
Merge pull request #68 from themighty1/master

rebased #63 with small fixes
pep-8 compliant variable naming
Added explanation diagrams
Merge pull request #69 from AdamISZ/master

pep-8 compliant variable naming
pylint improvements for tlsnotary-test.py

pylint improvements for tlsnotary-auditee.py

pylint improvements for tlsnotary-auditor.py

pylint improvements for tlsn_common.py

pylint improvements for tlsn_message_wrapper.py

pylint improvements for irc_messaging.py

pylint improvements for tlsn_crypto.py
Merge pull request #70 from AdamISZ/master

pylint improvements
Included walkthrough diagram. Cleaned up README table of contents
Merge branch 'explaining-diagram' of https://github.com/miohtama/tlsnotary into miohtama-explaining-diagram
added details to walkthrough diagram
Change image link format to png, svg doesn't work