Take twitter details from settings, use already loaded js to process. Closes #825
Enable polls base on conifg for ZA
Replace hardcoded poll id with one from settings
Move core person listing into a template partial
Override _person_listing partial for south africa

We need to have a different class on the ul to match the south africa css.
Override generic_list_item in SA

This allows us to change the class on each items li tag to match the
css.
Update person_list_item to use SA style people lists
Use SA people list on place people page
Use generic_list_item in position_listing partial for SA
Re-use search pagination text in generic list
Rename person_listing -> people_listing

This makes it clearer that we're dealing with a list of people
Merge branch 'place-page-people-lists'