update the FAQ

staged at https://update-faq-dot-dart-lang.appspot.com/

BUG=
R=kathyw@google.com, sandholm@google.com

Review URL: https://chromiumcodereview.appspot.com//105773002
update images for books

BUG=

Review URL: https://chromiumcodereview.appspot.com//104653012
try to make support options more clear

BUG=

Review URL: https://chromiumcodereview.appspot.com//98853004
go async for feed loading. and fix it

BUG=

Review URL: https://chromiumcodereview.appspot.com//110673002
add latest font awesome 4.0

BUG=

Review URL: https://chromiumcodereview.appspot.com//102533003
add in synonym to main site

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R=mcampione@google.com

Review URL: https://chromiumcodereview.appspot.com//107003003
update synonym screenshot
fix perf issue on desktop chrome

BUG=

Review URL: https://chromiumcodereview.appspot.com//113363002
Updated popover word-break to work on. Added attribute @data-slide for anchor tags (any <a> with @href=# and @data-slide=‘true’ will slide to that section, otherwise it will jump to the section).
Merge branch 'master' of https://github.com/dart-lang/dartlang.org
Restored popover functionality.
Regenerated imagefilters code
Merge branch 'master' of https://github.com/dart-lang/dartlang.org
merge in
drop ie8, fix config
Merge pull request #271 from ocupop/dart-1.0

merge in new flight school content
uncompressed css
flight school

BUG=

Review URL: https://chromiumcodereview.appspot.com//117833003
Fix broken GDG link in FAQ
Merge pull request #273 from stephliu/patch-1

Fix broken GDG link in FAQ
Adding organizer resource sections

- swag, sponsorship, speakers (in faq)