Merge pull request #75 from vendion/master

Adding Code of Conduct image for group page and Adding GDG Gigcity to group page
corrected gravatar hash for Elizabeths' profile
Merge pull request #76 from acedrew/master

corrected gravatar hash for Elizabeths' profile
Merge remote-tracking branch 'upstream/master'
Add Gravatar to GDG Gigcity

Signed-off-by: Adam Jimerson <vendion@gmail.com>