wording of #irc section
Fixing link to aerofoil logo which filename was changed with
aerofoil/graphics@804033729bd86759b0663c61a05444dde28b2593
Merge pull request #1 from aerofoil/readme_link_fix

Readme link fix and wording/linking of irc section
fixing image link for webpage and wording in readme(referring to
9b4d519408009943e39508d9bc4912676e40243c
Merge remote-tracking branch 'origin/master' into readme_link_fix
Merge pull request #2 from aerofoil/readme_link_fix

webpage image link fix and wording on irc section