replace/update references to Hotel Sax

Marriott purchased Hotel Sax and changed the name to Hotel Chicago.
add/update sponsor page & logos

- resize OmniTI's as it was overwhelming the others
- add 2nd Quadrant as Partner
- add JackDB as Friend
Merge pull request #18 from gorthx/master

replace/update references to Hotel Sax
Merge pull request #19 from cindywise/master

modify deadline for cfp
updates
Merge branch 'master' of github.com:sfrost/pgopen2014
Fixed
adjust sponsor logo display

- add 2ndq logo with white background so it shows up on the main footer
- use 2ndq transparent logo on the sponsor page
- put sponsors on individual lines on sponsor page
- faff about with spacing of sponsor images on main footer
Merge branch 'master' of git://github.com/sfrost/pgopen2014
Merge pull request #20 from gorthx/master

more tinkering with the sponsor logos
comment out for now
Merge branch 'master' of github.com:sfrost/pgopen2014
more layout tweaking

- how about I actually add the additional logo file :P
- increase padding between sponsor logos
Merge pull request #21 from gorthx/master

more layout tweaking
still more faffing about with logo placement
Merge pull request #22 from gorthx/master

still more faffing about with logo placement
Skin adyen responses
Updates
Updates
update CfP page with notice that it's closed.

Remove submission instructions as well.