Implement Mapillary layer in iD

- adding a temp wikipedia icon from http://upload.wikimedia.org/wikipedia/commons/4/45/Right-facing-Arrow-icon.jpg

Making the click update and rotate an image marker on the map with comapss direction. Needs to be centered etc.

now properly enabling/disabling the different Mapillary layers upon activation/deactivation

Upgrade to faster Mapillary API

better arrow icon, refactoring to have all single-image operations in the image-layer

dist build

adding mapillary translation

adjusting image link

trying to adjust the image link for github deploy

better layout

removing font-awesome, not needed.

https for calls

consistent quotes

taking care of more translation, fix case of no images found on Mapillary

more english translations

- scoping image calls to selection.
- .inspector-wrap and .panewrap are hard to scope, since they are outside the selection, same for the #mapillary-inspector.

-scoping calls in sequences layer

adding translation

fixing jslint errors

more jshint errors

adding mapillary to tests

trying to lay out single markers, please help with the geo translation, @jfirebaugh

- adding the image layer to the active iD SVG instead of background
- add a new mode for selecting Mapillary images
- first stab of adding the image pane in the sidebar itself in order to contain the selections (needs to be layouted)

cleaning

trying to mark and keep selected image between mouseovers

refactoring to contain mapillary into the iamge mode

refactoring to contain mapillary into the iamge mode

adding to test html

cleaning up

handling unset selected image

cleanup

better sidebar

moving image into the lower right

Minor visual adjustment mapillaryImage

better no_image text and toggling of selected image

handling of text disappearing

intendation

fixing test errors

making sequences be below images

open Mapillary links in new tabs

better arrows and selectability on arrows as a workaround for real navigation in panos

more contrast for the selected image

adjusting image style

- adjusting style, removing sequence lines
- adding photos as a mode with shortcut 'm'

- fix test errors

moving switch back to right sidebar, keeping keyboard shortcut.

cleanup

file rename to avoid GIT mess with casing.

- better scoping
- removed unused hover function

- making the checkbox follow mode changes

removing unused icon

handling automatic mode exit
Style and usability simplifications