#1359798 by nod_: Allow to use windows.location.search with clear urls as well. Thsi broke all ajax views without clean urls

#1257376 by dereine: Don't run the preview on page load, but adding a seperate request for it.\n\nThis will catch a lot of possible issues with sql errors and can improve the speed of the editing, if you have unchecked the automatic-preview checkbox

Issue #1104204 by dereine and merlinofchaos: Separate preview from main UI, remove preview from pre_render so that messages will appear properly.

Issue #1127414: The changing of the text on the button caused the button to not submit right. Need to change the text back on click.

Issue #1109998 by dereine and me: Restore "reorder displays" as a command. Add ability to update list of tabs so that renames and reorders of displays will update.

Issue #1090270 by ygerasimov: URI decode on query variables to ensure query variables with non-standard characters work.

Prevent modal from accidentally shrinking when using filters to add items and it needs to update the scroll size to make room for the list of checked items.

Shift modal to use position: fixed so it cant fly away when scrolling. Left some stuff commented out in case we need to revert this.