add default map IDs to static map view
added static map initWithFrame: & IB support
fixes #75: adjust heading path width based on accuracy
rename some properties to be more intuitive to use
annotation layers shouldn't be draggable by default
clustering improvements to hide quad trees & make API simpler
refs #171: annotation layer hit test cleanups
refs #186: don't begin tap gesture zooms in/out if at max/min zoom
properly notify delegate of callout auto-moves ending
cleaner API for move/zoom delegate notification commits
fixes #171: no longer allow callouts on cluster annotations
refs #171: docs for no callouts on cluster markers
formatting cleanups to license
update license copyright date
remove unnecessary fill modes
fixes #27: bouncing accuracy circle on first location update
fixes #12: remove boundingMask & make minZoom automatic per frame
fixes #22: allow for custom & default user agent for HTTP requests
reverting bug inadvertently introduced in 49a986b8
Merge branch 'develop' of github.com:mapbox/mapbox-ios-sdk into develop