[#5913] Add summary and members to project header

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#5913] Add triangle to indicate nav menus with dropdowns

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#5913] Project header should show admins, not members

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#5913] Don't link entire project header

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#5913] Fixed styling of new project header

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#5913] Add development status badge to project header

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#5913] Added breadcrumb navigation to project header

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#5913] Minor IE fixes

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#5913] Fixed "and 1 others" corner-case on project header admin list

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>