* Apply suggestion from code review
* updating images for signin and register page.
* fix: lint
* fix: logo update
* revert golangci
* Adding more strings and updated the logo. Still need to update the signin page images
* Apply suggestion from code review
Updating harness logo to use Open Source logo
* Update all occurences of 'gitness' to 'harness' within comments and markdown. Updated the logo reference (did not delete the Gitness logo directory yet). No active code changes except display strings.
Patrick Wolf
Johannes Batzill