#95092: Improvements to the search bar. We can now fit the view's bounds, clear the search box and go to the selected result if we move the view.
Merge pull request #34 from luisromangz/95092-SearchBarImprovements

#95092: Improvements to the search bar. We can now fit the view's bounds...
#96089: added support for filtering by circles in addition to poligons, needed by the walking distance tool.
#96089: Added support for adding circles around the stations as filters for the tool.
#96089: changes in methods and attribute names.
Merge pull request #35 from luisromangz/96089-AddedFilteringByDistanceToTubeStations

#96089 added filtering by distance to tube stations
#95076: Added glyphicons freely avalaible pngs to the project.
#95076: Added marker clustering library and applied to the results shown in the map. Also changed the icons shown for the results using a little nice home from glyphicons.
Merge pull request #36 from luisromangz/95076-MarkerClusteringAndNewIcons

#95076 marker clustering and new icons
#96089: Updated mockup to include the commute tool.
#96089: parametrized the api key.
Merge pull request #37 from luisromangz/96089-MockupsUpdate

#96089 mockups update
#95076: Added markerclustererplus to bower.json and retrieved its files (and updated some other bower dependencies.
#95076: We use markerclusterer from bower now, removed non-bower version.
#95076: better handling of maximum zoom allowed for clustering, and made the result list pane click go to a level of zoom that isn't clustered to prevent opening a popup over a marker hidden in a cluster.
Merge pull request #38 from luisromangz/95076-MarkerClustererPlusFromGitHubWithBower

#95076 marker clusterer plus from github with bower
#94986: Added wicket library and jsts to handle operations on geometry.
#94986: Added luton railway and replaced display of gmaps circles around stations with a geometrical union performed using jsts, which is a bit slow, which would explain why in walkscore a mask is used, probably drawing in canvas....
#94986: added wicket and jsts libreries script tags and reorganized a bit the header.
#94986: added support for ngChange in the slider directive, needed so we can handle the change event of the walking distance time slider.