Splitting off of #83

Based on the comments below and the accepted proposal:

• Publish a proposal to define what counts as a 5ftF contribution (@angelasjin, @josephahaden)
• Decide what counts as a 5ftF contribution (@angelasjin, @josephahaden)
• Clearly articulate the criteria in the sign-up process and FAQ. Otherwise lots of people will continue thinking that they contribute 40 hours a week to the Plugin Review Team, simply because their company's plugin in the Plugin Directory, etc.
• Communicate 5ftF definition in community spaces to raise awareness.
• create a FAQ page with a question like "what counts as a 5ftF contribution?" and anything else that'd be useful. incorporate language from the communication above
• Add FAQ page to the main menu
• tweak the Expectations and For Organizations pages w/ some basic references to what qualified. link those basic references to the FAQ for more details
• integrate the definition into signup workflows, since most people won't read the FAQ/Expectations pages
  • Add a message to the Profiles edit page asking to only count hours that are contributed to official teams, rather than personal/company projects.
  • look for other places where it could be useful

#121 is a follow-up after we've evaluated how effective those changes have been.