added run completed view controller
Merge pull request #14 from mojotech/ce/run_completed_view_controller

added run completed view controller
added share button
refactor
Merge pull request #15 from mojotech/ce/adding_share_button

added share button
Give advance notice of maneuvers
Strip no-op maneuvers from Runs.
Factor out a RunBuilder class.
Move Pebble polyline calculations to a polyline category.
A Route class handles aggregation of MKRoutes.