setup ajax function for display switch
prep for display state buttons

Toward #347
Prep AJAX controller for display control

Towards #347
More effective chunking

Resolves #185
Temp removal of slurp nonce check

Patch on #344 until it can be resolved. Want to insure nothing else is
causing problems in the process.
Ajax action to allow user to retain view setting

Resolves #347
AJAX PHP to save user setting for All Content

layout. Resolves #347
Spacing fix
Fix for nomination action buttons moving

No longer moves on infinite scroll. Resolves #342
z-index for info box

Resolves #333
User setting for infinite scroll.
Final action hooks to control infinite scroll

Resolves pt 1 of #348
Setup of posts per page user setting.

Resolves final part of #348
Allow for un-nominating with respect to users

Resolves #341
Error checking in Open Graph
Merge remote-tracking branch 'origin/3.4.x' into control-by-folder-345