event attendance helper
fix "singing up a supporter" and other small typos
Merge pull request #148 from mroswell/patch-1

Approved 7/23
fix "singing up a supporter" and other small typos
author and affiliatin updates
Merge pull request #147 from opensupporter/feature/joshco/event_signup_helper

approved 7/31
Merge branch 'master' of github.com:opensupporter/osdi-docs
Merge branch 'master' into gh-pages
affiliation: Matt Klaber
Merge branch 'master' into gh-pages
acknowledgements
adding venue and event instructions
Merge branch 'gh-pages'
#122 and spacing clean-up

Ensuring that #122 is finished and some spacing issues
Changed donation_date to transaction_date per #110
Added taggings to person resource per #90
#70 - Just fixed a typo.
event_instructions > instructions

per issue #109
Added employer_address for issue #72
Changed "hash" to "object" per #125
new authors