Create reusable gecoderUi.js for handling geocoder results

Also:
* Add mapManager function setCenterAndZoomIn()
Set initial tree position with "Use current location" button

Also:
* Update "Add Tree" HTML for how we think it should be
* In plotMarker.js, allow calling enableMoving() and disableMoving() from within module
Merge pull request #314 from maurizi/topic/lxc-vagrant-provider

Add support for using lxc as a vagrant provider
Style navbar, add responsive helpers
Remove _responsive.scss (unneeded), refine page styling for non-map pages and use bootstrap consistently
Add Create Map and Community Page prototypes
Merge pull request #317 from azavea/topic/new-prototypes

Community and Create Map Prototypes
Merge pull request #316 from RickMohr/geolocate-for-add-tree

Set initial tree position with "Use current location" button
Replace Bacon.mergeAll() with single merge()
Merge pull request #315 from RickMohr/refactor-geocoder-ui

Create reusable gecoderUi.js for handling geocoder results
Fix lint issues
Adding some misc things to support the admin page
Merge pull request #318 from ahinz/topic/admin-page-suppport

Adding some misc things to support the admin page
Fix some lint
WiP advanced search plumbing
WiP return default values instead of actual values in edit mode
WiP
WiP DRY up field templates (needs page templates to be updated)
Add help_text fields to Plot and Tree models for default labels
DRY up search field template