[r=salgado] Clean up team pages, adding 'Your involvement' section
Patches applied:

 * mpt@canonical.com/launchpad--team-page-cleanup--1--base-0
   tag of mpt@canonical.com/launchpad--devel--0--patch-67

 * mpt@canonical.com/launchpad--team-page-cleanup--1--patch-1
   team page cleanup with new sidebar structure

 * mpt@canonical.com/launchpad--team-page-cleanup--1--patch-2
   fix pagetest

 * mpt@canonical.com/launchpad--team-page-cleanup--1--patch-3
   merge rocketfuel

 * mpt@canonical.com/launchpad--team-page-cleanup--1--patch-4
   fixes from salgado's review