fix images
update image names
fix sign url
update url to match file and page heading (/contacts)
correct link to mailing-list-guidelines
mailing list guidelines - add / to url
correct image url
remove html
Add link to how to implement code of conduct on wiki
change hackerspace to makerspace
Update committee meetings section and remove Hackerspace
Minor updates and change hacker to maker
change link for mailing list guidelines to go to wiki
Moved to wiki
moved to wiki