Add pagination for upper and lower chamber people

Pagination loading can be problematic still due to performance &
perhaps other issues. Create separate issues for bugs or
further performance improvements.

Closes #26
Fix person_id being dropped when zipcode entered

Also added better integration testing to cover more
functionality.

Closes #27
Merging @derekeder's work into topic branch - WIP

Refactoring towards #6
Finish test of loading meetings

Still refactoring for #6.
Merge branch 'master' into meeting_work

* master:
  Fix person_id being dropped when zipcode entered
  Add pagination for upper and lower chamber people
Specify security patched redis-namespace gem

See http://blog.steveklabnik.com/posts/2013-08-03-redis-namespace-1-3-1--security-release
Drop Meeting prefix from Agenda & Minutes & move to embed

#6
Change fulltext to full_text

#6
Change date field to date_and_time w/ better type

#6
Remove redundant municipality, use metadatum

#6
Finish refactor of Meeting

#6
Merge branch 'meeting_work'

* meeting_work:
  Finish refactor of Meeting
  Remove redundant municipality, use metadatum
  Change date field to date_and_time w/ better type
  Change fulltext to full_text
  Drop Meeting prefix from Agenda & Minutes & move to embed
  Finish test of loading meetings
  Merging @derekeder's work into topic branch - WIP
  created spec for Meeting .load_from_api_for_jurisdiction
  renamed meeting object for import
  added agenda and minutes accessors to meeting model, spec'd out meeting_minutes and meeting_agenda
  renamed minutes and agenda to reflect as subdocument of meeting, saving as subdocuments on import
  stubbed out embedded documents for agenda and minutes
  properly setting private methods for meeting model
  moving scraped_local_gov to private methond
  added meeting_spec, ensuring presence of name, date, municipality
  renamed Agenda to Meeting, moved mongo import to load_from_apis_for_jurisdiction method in model
  removed unused to_slug function from city_council.rake
  handling more complicated Minutes object (minutes fulltext scrape implemented in legistar-scrape)
  removed slug field, can use agenda_url as unique identifier
  added agenda model and Philly city council import rake task from monogo collection
Added a few more OS level requirements to the README.md.
merge
merge