there's no such thing as Array#to_h

(cherry picked from commit 780bd84bc17f55b0ece1d86a2b224f0340495c73)
rephrase closed cfp in splashpage
Merge pull request #499 from openSUSE/arrays_and_hashes_oh_my

there's no such thing as Array#to_h
Merge pull request #500 from differentreality/typo_phrasing

rephrase closed cfp in splashpage
Keynote Speakers implemented
Merge pull request #502 from gopesht/keynote_speakers

Keynote Speakers implemented
Fixes to do list link to registration period
fix #505
Fixes the top bar icons of the instance dashboard
fix #507
Fixes the proposal abstract word count javascript functions
fix #510
Merge pull request #508 from ChrisBr/fix_dashboard

Fixes the top bar icons of the instance dashboard
Merge pull request #509 from ChrisBr/fix_to_do

Fixes to do list link to registration period
Improve spacing around comma in conference list.
Merge pull request #513 from ChrisBr/fix_proposal_js

Fixes the proposal abstract word count javascript functions
Describe the splash area as 'Lodging' instead of 'Lodgings'...

... becauase it just sounds clunky.
Merge pull request #516 from openSUSE/spacing-fix

Improve spacing around comma in conference list.
Merge pull request #517 from openSUSE/lodging-section

Describe the splash area as 'Lodging' instead of 'Lodgings'...
I can't take credit for all of this :-)
Merge pull request #521 from mbarringer/master

I can't take credit for OSEM :-)
Implements username authentication
It's now possible to login with either username or email
That's necessary to be backward compatible for iChain login
Implements iChain authentication